sevdesk vs. Writer: data protection per plan
sevdesk (4 plans) and Writer (2 plans) side by side: DPA, training on inputs, hosting and data retention per plan, based on the providers’ public documents. Without rating.
Last updated: (latest review date of the tools shown)
At a glance
Each value is listed with the plans it applies to. Pick a tier to see only plans of that tier; if plans are chosen in the plan comparison below, the table shows exactly those.
All plans: each value is listed with the plans it applies to.
| Feature | sevdesk | Writer |
|---|---|---|
| Provider based in | sevDesk GmbH, Im Unteren Angel 1, 77652 Offenburg, Germany | WRITER Inc., 111 Maiden Lane, Fourth Floor, San Francisco, CA 94108, USA |
| Plans recorded | 4 | 2 |
| Hosting | EU option: all 4 plans | mixed: all 2 plans |
| Training on inputs | not documented: all 4 plans | no: all 2 plans |
| DPA | yes: all 4 plans | yes: all 2 plans |
| As of | 18 Oct 2026 | 18 Oct 2026 |
Plans compared
Comparing: sevdesk Rechnung vs. Writer Starter
| Feature | sevdeskRechnung (Invoicing) | WriterStarter |
|---|---|---|
| yes | yes | |
| Details: DPA available | yes (data processing agreement under Art. 28(3) GDPR, publicly available as a PDF, version Offenburg 04.07.2025; according to the help centre it is concluded digitally and does not need to be returned; applies to all customers, as according to the terms sevdesk only contracts with businesses) Provider’s DPA | yes (Terms of Use, version 2026-06-05, apply to free, trial and paid versions except Enterprise: 'When you are acting on behalf of an organization when accessing our Services, our Data Processing Agreement (“DPA”) applies and is incorporated by reference into these Terms.') Provider’s DPA |
| differs by plan | not publicly documented | no |
| Details: Training on inputs | No explicit statement on training AI models with customer data. Help article "Belege erfassen" (recording receipts): the automatic receipt recognition is continuously learning and improves with every uploaded receipt. Receipt capture product page: booking category suggestions learn from the user's assignments. DPA section 3(6): operational data may be used anonymously and in aggregated form for evaluation purposes and, where applicable, for error analysis and further development of the products; section 2(2): statistical use only anonymised and aggregated. Whether this includes model training across customer accounts and whether an opt-out exists is not described. | Trust page: WRITER does not train its models on customer data, user inputs or outputs; the customer controls how its data is used. Privacy policy (applies to website visitors and individual accounts): no use of data provided when accessing or using the Services for training, including inputs and outputs. Terms of Use: 'We will not use your Materials to train our models.'; however, Materials may be used to provide, maintain and improve the Services and to develop other products. |
| differs by plan | EU option | mixed |
| Details: Data residency | Sub-processor list (as of 10.04.2024): hosting with Amazon Web Services EMEA SARL, data hosted exclusively in Germany, access from third countries for support purposes conceivable; TOMs: AWS Frankfurt data centres; security page: hosting with AWS (no location stated); FAQ on the online banking page: receipts are stored 'in a certified data centre with server location in Germany' (translated). DPA section 2(3): processing in principle in the EU/EEA, outside only after prior notice and subject to Art. 44 et seq. GDPR. Where the AI features (receipt recognition, bank reconciliation, AI agent Sevi) are processed and whether external AI providers are used for them is not documented. | Sub-processor list (as of 2026-10-14): cloud and infrastructure providers with processing locations in the USA and partly the EU (AWS, Google Cloud, Daytona, Parasail, Turbopuffer, Recall.ai) or worldwide (Cloudflare). Whether customers can choose an EU region, and which data is stored where, is not described. Trust page: data is provisioned in an isolated production project; 'Managed, multi-cloud options, including dedicated private cloud deployment'. |
| list available | list available | |
| Details: List published |
|
|
| differs by plan | DPA section 10: after the end of the… | Trust page: 'zero data retention' approach |
| Details: Data retention | DPA section 10: after the end of the contract, personal data is retained for three months for data export; immediate deletion at the end of the contract on request. Terms section 3.2: archiving according to commercial and tax retention periods during the contract term. Web app privacy notice: log files deleted after seven days at the latest or IP addresses obfuscated. Retention specifically for AI processing not publicly documented. | Trust page: 'zero data retention' approach; data is stored only for as long as needed to use the platform. Help centre 'Setting up data retention': automatic deletion schedules only 'on certain Enterprise plans'; the default is 'No automatic deletion', content is kept until users delete it manually. Terms of Use: after termination no obligation to retain; WRITER may delete Materials. DPA section 9: return or deletion of personal data upon the customer's written request, unless the law requires otherwise. |
| differs by plan | several tiers | not publicly documented |
| Details: Price | List price EUR 11.90 per month billed monthly, EUR 9.90 per month for 12 months (billed annually), EUR 8.90 per month for 24 months, each plus VAT; 1 user, additional users via add-on at EUR 5.90 per month. On the retrieval date the pricing page also showed promotional prices ("up to 50% discount"); according to terms section 1.5, discounts only apply to first bookings by new customers for the minimum term, renewals at regular prices. | not publicly documented (the pricing page shows no price; according to the FAQ, monthly or annual billing per seat with fixed credit limits; 14-day free trial, no credit card required) |
| yes | yes | |
| Details: AI features included | yes (AI agent Sevi in support, according to the pricing page in all three paid plans; AI-supported receipt capture and online banking reconciliation only from the Buchhaltung plan) | yes (WRITER Agent for chat and automation, up to 5 users, up to 5 Playbooks, up to 3 scheduled routines, 1 team personality profile, basic connectors; AI Studio with limited access) |
| 11 sources | 7 sources | |
| Details: Sources with retrieval date |
|
|
Contract / DPA
- sevdesk Rechnungyes
- Writer Starteryes
- sevdesk Rechnung
yes (data processing agreement under Art. 28(3) GDPR, publicly available as a PDF, version Offenburg 04.07.2025; according to the help centre it is concluded digitally and does not need to be returned; applies to all customers, as according to the terms sevdesk only contracts with businesses)
Provider’s DPAWriter Starteryes (Terms of Use, version 2026-06-05, apply to free, trial and paid versions except Enterprise: 'When you are acting on behalf of an organization when accessing our Services, our Data Processing Agreement (“DPA”) applies and is incorporated by reference into these Terms.')
Provider’s DPA
Training
- differs by plan
- sevdesk Rechnungnot publicly documented
- Writer Starterno
- sevdesk Rechnung
No explicit statement on training AI models with customer data. Help article "Belege erfassen" (recording receipts): the automatic receipt recognition is continuously learning and improves with every uploaded receipt. Receipt capture product page: booking category suggestions learn from the user's assignments. DPA section 3(6): operational data may be used anonymously and in aggregated form for evaluation purposes and, where applicable, for error analysis and further development of the products; section 2(2): statistical use only anonymised and aggregated. Whether this includes model training across customer accounts and whether an opt-out exists is not described.
Writer StarterTrust page: WRITER does not train its models on customer data, user inputs or outputs; the customer controls how its data is used. Privacy policy (applies to website visitors and individual accounts): no use of data provided when accessing or using the Services for training, including inputs and outputs. Terms of Use: 'We will not use your Materials to train our models.'; however, Materials may be used to provide, maintain and improve the Services and to develop other products.
Hosting
- differs by plan
- sevdesk RechnungEU option
- Writer Startermixed
- sevdesk Rechnung
Sub-processor list (as of 10.04.2024): hosting with Amazon Web Services EMEA SARL, data hosted exclusively in Germany, access from third countries for support purposes conceivable; TOMs: AWS Frankfurt data centres; security page: hosting with AWS (no location stated); FAQ on the online banking page: receipts are stored 'in a certified data centre with server location in Germany' (translated). DPA section 2(3): processing in principle in the EU/EEA, outside only after prior notice and subject to Art. 44 et seq. GDPR. Where the AI features (receipt recognition, bank reconciliation, AI agent Sevi) are processed and whether external AI providers are used for them is not documented.
Writer StarterSub-processor list (as of 2026-10-14): cloud and infrastructure providers with processing locations in the USA and partly the EU (AWS, Google Cloud, Daytona, Parasail, Turbopuffer, Recall.ai) or worldwide (Cloudflare). Whether customers can choose an EU region, and which data is stored where, is not described. Trust page: data is provisioned in an isolated production project; 'Managed, multi-cloud options, including dedicated private cloud deployment'.
Sub-processors
- sevdesk Rechnunglist available
- Writer Starterlist available
- sevdesk Rechnung
- Amazon Web Services EMEA SARL, German branch (external data centre, hosting; data only in Germany)
- EMAILBRIEF GmbH, Mutterstadt (sending invoices by post)
- Termitel GmbH, Ettlingen (handling customer phone enquiries)
- Twilio Inc. (SendGrid, Inc.), Dublin (sending emails; EU-U.S. Data Privacy Framework and standard contractual clauses)
- AI-specific sub-processors: not publicly documented (list as of 10.04.2024 names none)
Writer Starter- Amazon Web Services (cloud): USA, EU
- Google Cloud Platform (cloud): USA, EU
- Microsoft Azure (infrastructure): USA
- Baseten (infrastructure): USA
- Cloudflare (infrastructure): worldwide
- Daytona (infrastructure): USA, EU
- Elastic Cloud (infrastructure): USA
- OpenRouter (infrastructure): USA
- Parasail (infrastructure): USA, EU
- Turbopuffer (infrastructure): USA, EU
- Exa.ai (web search): USA
- Tavily (web search): USA
- Recall.ai (services and support): USA, EU
- Snowflake (data warehouse): USA
- Fullstory, Omni, Segment (analytics): USA
- Pylon (customer support): USA
- Sendgrid (email): USA
- Stripe (billing): USA
- Writer, Inc. group companies (services and support): worldwide
Retention
- differs by plan
- sevdesk RechnungDPA section 10: after the end of the…
- Writer StarterTrust page: 'zero data retention' approach
- sevdesk RechnungDPA section 10: after the end of the contract, personal data is retained for three months for data export; immediate deletion at the end of the contract on request. Terms section 3.2: archiving according to commercial and tax retention periods during the contract term. Web app privacy notice: log files deleted after seven days at the latest or IP addresses obfuscated. Retention specifically for AI processing not publicly documented.Writer StarterTrust page: 'zero data retention' approach; data is stored only for as long as needed to use the platform. Help centre 'Setting up data retention': automatic deletion schedules only 'on certain Enterprise plans'; the default is 'No automatic deletion', content is kept until users delete it manually. Terms of Use: after termination no obligation to retain; WRITER may delete Materials. DPA section 9: return or deletion of personal data upon the customer's written request, unless the law requires otherwise.
Price
- differs by plan
- sevdesk Rechnungseveral tiers
- Writer Starternot publicly documented
- sevdesk Rechnung
List price EUR 11.90 per month billed monthly, EUR 9.90 per month for 12 months (billed annually), EUR 8.90 per month for 24 months, each plus VAT; 1 user, additional users via add-on at EUR 5.90 per month. On the retrieval date the pricing page also showed promotional prices ("up to 50% discount"); according to terms section 1.5, discounts only apply to first bookings by new customers for the minimum term, renewals at regular prices.
Writer Starternot publicly documented (the pricing page shows no price; according to the FAQ, monthly or annual billing per seat with fixed credit limits; 14-day free trial, no credit card required)
- sevdesk Rechnungyes
- Writer Starteryes
- sevdesk Rechnung
yes (AI agent Sevi in support, according to the pricing page in all three paid plans; AI-supported receipt capture and online banking reconciliation only from the Buchhaltung plan)
Writer Starteryes (WRITER Agent for chat and automation, up to 5 users, up to 5 Playbooks, up to 3 scheduled routines, 1 team personality profile, basic connectors; AI Studio with limited access)
Evidence
- sevdesk Rechnung11 sources
- Writer Starter7 sources
- sevdesk Rechnung
- Pricing and plansPricing page, retrieved 18 Oct 2026
- Data processing agreement (version 04.07.2025)DPA, retrieved 18 Oct 2026
- List of approved sub-processors (as of 10.04.2024)Sub-processor list, retrieved 18 Oct 2026
- Technical and organisational measures (as of 10.04.2024)TOMs, retrieved 18 Oct 2026
- Privacy notice web app (as of 13.01.2025)Privacy notice, retrieved 18 Oct 2026
- SecuritySecurity page, retrieved 18 Oct 2026
- General terms and conditionsTerms and conditions, retrieved 18 Oct 2026
- Online banking (incl. FAQ on AI matching and finAPI)Product page, retrieved 18 Oct 2026
- Recording receipts (incl. FAQ on AI-supported receipt capture)Product page, retrieved 18 Oct 2026
- Help centre: Recording receiptsDocumentation, retrieved 18 Oct 2026
- Help centre: Data processing agreement (DPA)Documentation, retrieved 18 Oct 2026
Writer Starter- Plans & PricingPricing page, retrieved 18 Oct 2026
- Security and trust at WRITERTrust Center, retrieved 18 Oct 2026
- Privacy Policy (Effective Date April 17, 2026)Privacy notice, retrieved 14 Oct 2026
- Subprocessors (Last Updated October 14, 2026)Sub-processor list, retrieved 18 Oct 2026
- Data Processing Agreement (as of 2025-12-04)DPA, retrieved 18 Oct 2026
- Terms of Use (Version June 5, 2026)Terms and conditions, retrieved 18 Oct 2026
- Setting up data retentionHelp centre, retrieved 18 Oct 2026
| Feature | sevdesk | Writer |
|---|---|---|
| yesall 4 plans | yesall 2 plans | |
| Details: DPA available |
|
|
| differs by tool | not publicly documentedall 4 plans | noall 2 plans |
| Details: Training on inputs |
|
|
| differs by tool | EU optionall 4 plans | mixedall 2 plans |
| Details: Data residency |
|
|
| list availableall 4 plans | list availableall 2 plans | |
| Details: List published |
|
|
| differs by tool | DPA section 10: after the end of the…all 4 plans | Trust page: 'zero data retention' approachall 2 plans |
| Details: Data retention |
|
|
| differs by tool |
|
|
| Details: Price |
|
|
| differs by tool |
| yesall 2 plans |
| Details: AI features included |
|
|
| 12 sources | 8 sources | |
| Details: Sources with retrieval date |
|
|
Contract / DPA
- sevdeskyesall 4 plans
- Writeryesall 2 plans
- sevdesk
- Free
yes (data processing agreement under Art. 28(3) GDPR, publicly available as a PDF, version Offenburg 04.07.2025; according to the help centre it is concluded digitally and does not need to be returned; applies to all customers, as according to the terms sevdesk only contracts with businesses)
Provider’s DPA - Rechnung (Invoicing)
yes (data processing agreement under Art. 28(3) GDPR, publicly available as a PDF, version Offenburg 04.07.2025; according to the help centre it is concluded digitally and does not need to be returned; applies to all customers, as according to the terms sevdesk only contracts with businesses)
Provider’s DPA - Buchhaltung (Accounting)
yes (data processing agreement under Art. 28(3) GDPR, publicly available as a PDF, version Offenburg 04.07.2025; according to the help centre it is concluded digitally and does not need to be returned; applies to all customers, as according to the terms sevdesk only contracts with businesses)
Provider’s DPA - Buchhaltung Pro (Accounting Pro)
yes (data processing agreement under Art. 28(3) GDPR, publicly available as a PDF, version Offenburg 04.07.2025; according to the help centre it is concluded digitally and does not need to be returned; applies to all customers, as according to the terms sevdesk only contracts with businesses)
Provider’s DPA
Writer- Starter
yes (Terms of Use, version 2026-06-05, apply to free, trial and paid versions except Enterprise: 'When you are acting on behalf of an organization when accessing our Services, our Data Processing Agreement (“DPA”) applies and is incorporated by reference into these Terms.')
Provider’s DPA - Enterprise
yes (Platform Services Agreement, version 2026-08-05, section 5.4: the DPA 'is incorporated by reference into this Agreement'; according to the Terms of Use, the Platform Services Agreement governs Enterprise)
Provider’s DPA
- Free
Training
- differs by tool
- sevdesknot publicly documentedall 4 plans
- Writernoall 2 plans
- sevdesk
- Free
No explicit statement on training AI models with customer data. Help article "Belege erfassen" (recording receipts): the automatic receipt recognition is continuously learning and improves with every uploaded receipt. Receipt capture product page: booking category suggestions learn from the user's assignments. DPA section 3(6): operational data may be used anonymously and in aggregated form for evaluation purposes and, where applicable, for error analysis and further development of the products; section 2(2): statistical use only anonymised and aggregated. Whether this includes model training across customer accounts and whether an opt-out exists is not described.
- Rechnung (Invoicing)
No explicit statement on training AI models with customer data. Help article "Belege erfassen" (recording receipts): the automatic receipt recognition is continuously learning and improves with every uploaded receipt. Receipt capture product page: booking category suggestions learn from the user's assignments. DPA section 3(6): operational data may be used anonymously and in aggregated form for evaluation purposes and, where applicable, for error analysis and further development of the products; section 2(2): statistical use only anonymised and aggregated. Whether this includes model training across customer accounts and whether an opt-out exists is not described.
- Buchhaltung (Accounting)
No explicit statement on training AI models with customer data. Help article "Belege erfassen" (recording receipts): the automatic receipt recognition is continuously learning and improves with every uploaded receipt. Receipt capture product page: booking category suggestions learn from the user's assignments. DPA section 3(6): operational data may be used anonymously and in aggregated form for evaluation purposes and, where applicable, for error analysis and further development of the products; section 2(2): statistical use only anonymised and aggregated. Whether this includes model training across customer accounts and whether an opt-out exists is not described.
- Buchhaltung Pro (Accounting Pro)
No explicit statement on training AI models with customer data. Help article "Belege erfassen" (recording receipts): the automatic receipt recognition is continuously learning and improves with every uploaded receipt. Receipt capture product page: booking category suggestions learn from the user's assignments. DPA section 3(6): operational data may be used anonymously and in aggregated form for evaluation purposes and, where applicable, for error analysis and further development of the products; section 2(2): statistical use only anonymised and aggregated. Whether this includes model training across customer accounts and whether an opt-out exists is not described.
Writer- Starter
Trust page: WRITER does not train its models on customer data, user inputs or outputs; the customer controls how its data is used. Privacy policy (applies to website visitors and individual accounts): no use of data provided when accessing or using the Services for training, including inputs and outputs. Terms of Use: 'We will not use your Materials to train our models.'; however, Materials may be used to provide, maintain and improve the Services and to develop other products.
- Enterprise
Trust page: WRITER does not train its models on customer data, user inputs or outputs; the customer controls how its data is used. Privacy policy (applies to website visitors and individual accounts): no use of data provided when accessing or using the Services for training, including inputs and outputs. Platform Services Agreement 5.2: 'Writer will not use any Customer Materials to train its models.'; licence to Customer Materials only to provide and support the platform.
- Free
Hosting
- differs by tool
- sevdeskEU optionall 4 plans
- Writermixedall 2 plans
- sevdesk
- Free
Sub-processor list (as of 10.04.2024): hosting with Amazon Web Services EMEA SARL, data hosted exclusively in Germany, access from third countries for support purposes conceivable; TOMs: AWS Frankfurt data centres; security page: hosting with AWS (no location stated); FAQ on the online banking page: receipts are stored 'in a certified data centre with server location in Germany' (translated). DPA section 2(3): processing in principle in the EU/EEA, outside only after prior notice and subject to Art. 44 et seq. GDPR. Where the AI features (receipt recognition, bank reconciliation, AI agent Sevi) are processed and whether external AI providers are used for them is not documented.
- Rechnung (Invoicing)
Sub-processor list (as of 10.04.2024): hosting with Amazon Web Services EMEA SARL, data hosted exclusively in Germany, access from third countries for support purposes conceivable; TOMs: AWS Frankfurt data centres; security page: hosting with AWS (no location stated); FAQ on the online banking page: receipts are stored 'in a certified data centre with server location in Germany' (translated). DPA section 2(3): processing in principle in the EU/EEA, outside only after prior notice and subject to Art. 44 et seq. GDPR. Where the AI features (receipt recognition, bank reconciliation, AI agent Sevi) are processed and whether external AI providers are used for them is not documented.
- Buchhaltung (Accounting)
Sub-processor list (as of 10.04.2024): hosting with Amazon Web Services EMEA SARL, data hosted exclusively in Germany, access from third countries for support purposes conceivable; TOMs: AWS Frankfurt data centres; security page: hosting with AWS (no location stated); FAQ on the online banking page: receipts are stored 'in a certified data centre with server location in Germany' (translated). DPA section 2(3): processing in principle in the EU/EEA, outside only after prior notice and subject to Art. 44 et seq. GDPR. Where the AI features (receipt recognition, bank reconciliation, AI agent Sevi) are processed and whether external AI providers are used for them is not documented.
- Buchhaltung Pro (Accounting Pro)
Sub-processor list (as of 10.04.2024): hosting with Amazon Web Services EMEA SARL, data hosted exclusively in Germany, access from third countries for support purposes conceivable; TOMs: AWS Frankfurt data centres; security page: hosting with AWS (no location stated); FAQ on the online banking page: receipts are stored 'in a certified data centre with server location in Germany' (translated). DPA section 2(3): processing in principle in the EU/EEA, outside only after prior notice and subject to Art. 44 et seq. GDPR. Where the AI features (receipt recognition, bank reconciliation, AI agent Sevi) are processed and whether external AI providers are used for them is not documented.
Writer- Starter
Sub-processor list (as of 2026-10-14): cloud and infrastructure providers with processing locations in the USA and partly the EU (AWS, Google Cloud, Daytona, Parasail, Turbopuffer, Recall.ai) or worldwide (Cloudflare). Whether customers can choose an EU region, and which data is stored where, is not described. Trust page: data is provisioned in an isolated production project; 'Managed, multi-cloud options, including dedicated private cloud deployment'.
- Enterprise
Sub-processor list (as of 2026-10-14): cloud and infrastructure providers with processing locations in the USA and partly the EU (AWS, Google Cloud, Daytona, Parasail, Turbopuffer, Recall.ai) or worldwide (Cloudflare). Whether customers can choose an EU region, and which data is stored where, is not described. Trust page: data is provisioned in an isolated production project; 'Managed, multi-cloud options, including dedicated private cloud deployment'. Enterprise: according to the pricing page, fully managed platform deployment; choice of location not described.
- Free
Sub-processors
- sevdesklist availableall 4 plans
- Writerlist availableall 2 plans
- sevdesk
- Free
- Amazon Web Services EMEA SARL, German branch (external data centre, hosting; data only in Germany)
- EMAILBRIEF GmbH, Mutterstadt (sending invoices by post)
- Termitel GmbH, Ettlingen (handling customer phone enquiries)
- Twilio Inc. (SendGrid, Inc.), Dublin (sending emails; EU-U.S. Data Privacy Framework and standard contractual clauses)
- AI-specific sub-processors: not publicly documented (list as of 10.04.2024 names none)
- Rechnung (Invoicing)
- Amazon Web Services EMEA SARL, German branch (external data centre, hosting; data only in Germany)
- EMAILBRIEF GmbH, Mutterstadt (sending invoices by post)
- Termitel GmbH, Ettlingen (handling customer phone enquiries)
- Twilio Inc. (SendGrid, Inc.), Dublin (sending emails; EU-U.S. Data Privacy Framework and standard contractual clauses)
- AI-specific sub-processors: not publicly documented (list as of 10.04.2024 names none)
- Buchhaltung (Accounting)
- Amazon Web Services EMEA SARL, German branch (external data centre, hosting; data only in Germany)
- EMAILBRIEF GmbH, Mutterstadt (sending invoices by post)
- Termitel GmbH, Ettlingen (handling customer phone enquiries)
- Twilio Inc. (SendGrid, Inc.), Dublin (sending emails; EU-U.S. Data Privacy Framework and standard contractual clauses)
- AI-specific sub-processors: not publicly documented (list as of 10.04.2024 names none)
- Buchhaltung Pro (Accounting Pro)
- Amazon Web Services EMEA SARL, German branch (external data centre, hosting; data only in Germany)
- EMAILBRIEF GmbH, Mutterstadt (sending invoices by post)
- Termitel GmbH, Ettlingen (handling customer phone enquiries)
- Twilio Inc. (SendGrid, Inc.), Dublin (sending emails; EU-U.S. Data Privacy Framework and standard contractual clauses)
- AI-specific sub-processors: not publicly documented (list as of 10.04.2024 names none)
Writer- Starter
- Amazon Web Services (cloud): USA, EU
- Google Cloud Platform (cloud): USA, EU
- Microsoft Azure (infrastructure): USA
- Baseten (infrastructure): USA
- Cloudflare (infrastructure): worldwide
- Daytona (infrastructure): USA, EU
- Elastic Cloud (infrastructure): USA
- OpenRouter (infrastructure): USA
- Parasail (infrastructure): USA, EU
- Turbopuffer (infrastructure): USA, EU
- Exa.ai (web search): USA
- Tavily (web search): USA
- Recall.ai (services and support): USA, EU
- Snowflake (data warehouse): USA
- Fullstory, Omni, Segment (analytics): USA
- Pylon (customer support): USA
- Sendgrid (email): USA
- Stripe (billing): USA
- Writer, Inc. group companies (services and support): worldwide
- Enterprise
- Amazon Web Services (cloud): USA, EU
- Google Cloud Platform (cloud): USA, EU
- Microsoft Azure (infrastructure): USA
- Baseten (infrastructure): USA
- Cloudflare (infrastructure): worldwide
- Daytona (infrastructure): USA, EU
- Elastic Cloud (infrastructure): USA
- OpenRouter (infrastructure): USA
- Parasail (infrastructure): USA, EU
- Turbopuffer (infrastructure): USA, EU
- Exa.ai (web search): USA
- Tavily (web search): USA
- Recall.ai (services and support): USA, EU
- Snowflake (data warehouse): USA
- Fullstory, Omni, Segment (analytics): USA
- Pylon (customer support): USA
- Sendgrid (email): USA
- Stripe (billing): USA
- Writer, Inc. group companies (services and support): worldwide
- Free
Retention
- differs by tool
- sevdeskDPA section 10: after the end of the…all 4 plans
- WriterTrust page: 'zero data retention' approachall 2 plans
- sevdesk
- FreeDPA section 10: after the end of the contract, personal data is retained for three months for data export; immediate deletion at the end of the contract on request. Terms section 3.2: archiving according to commercial and tax retention periods during the contract term. Web app privacy notice: log files deleted after seven days at the latest or IP addresses obfuscated. Retention specifically for AI processing not publicly documented.
- Rechnung (Invoicing)DPA section 10: after the end of the contract, personal data is retained for three months for data export; immediate deletion at the end of the contract on request. Terms section 3.2: archiving according to commercial and tax retention periods during the contract term. Web app privacy notice: log files deleted after seven days at the latest or IP addresses obfuscated. Retention specifically for AI processing not publicly documented.
- Buchhaltung (Accounting)DPA section 10: after the end of the contract, personal data is retained for three months for data export; immediate deletion at the end of the contract on request. Terms section 3.2: archiving according to commercial and tax retention periods during the contract term. Web app privacy notice: log files deleted after seven days at the latest or IP addresses obfuscated. Retention specifically for AI processing not publicly documented.
- Buchhaltung Pro (Accounting Pro)DPA section 10: after the end of the contract, personal data is retained for three months for data export; immediate deletion at the end of the contract on request. Terms section 3.2: archiving according to commercial and tax retention periods during the contract term. Web app privacy notice: log files deleted after seven days at the latest or IP addresses obfuscated. Retention specifically for AI processing not publicly documented.
Writer- StarterTrust page: 'zero data retention' approach; data is stored only for as long as needed to use the platform. Help centre 'Setting up data retention': automatic deletion schedules only 'on certain Enterprise plans'; the default is 'No automatic deletion', content is kept until users delete it manually. Terms of Use: after termination no obligation to retain; WRITER may delete Materials. DPA section 9: return or deletion of personal data upon the customer's written request, unless the law requires otherwise.
- EnterpriseTrust page: 'zero data retention' approach. Help centre 'Setting up data retention' (on certain Enterprise plans): default 'No automatic deletion'; org admins can set deletion after 1, 3, 6 or 12 months for docs, outputs, uploaded files, chat sessions and WRITER Meet notes (Knowledge Graph files excluded). Platform Services Agreement section 9: Customer Materials can be exported for up to 30 days after the end of the contract upon written request, after which WRITER may delete them; upon written request, destruction within 90 days. DPA section 9: return or deletion of personal data at the customer's request.
Price
- differs by tool
- sevdesk
- 0 EURFree
- several tiersRechnung (Invoicing), Buchhaltung (Accounting), Buchhaltung Pro (Accounting Pro)
- Writer
- not publicly documentedStarter
- customEnterprise
- sevdesk
- Free
EUR 0 ("permanently free", no credit card); according to the help centre applied automatically after the 14-day trial, unlimited in time; no add-ons bookable, limited support.
- Rechnung (Invoicing)
List price EUR 11.90 per month billed monthly, EUR 9.90 per month for 12 months (billed annually), EUR 8.90 per month for 24 months, each plus VAT; 1 user, additional users via add-on at EUR 5.90 per month. On the retrieval date the pricing page also showed promotional prices ("up to 50% discount"); according to terms section 1.5, discounts only apply to first bookings by new customers for the minimum term, renewals at regular prices.
- Buchhaltung (Accounting)
List price EUR 25.90 per month billed monthly, EUR 22.90 per month for 12 months, EUR 19.90 per month for 24 months, each plus VAT; 1 user, more via add-on at EUR 5.90 per month. On the retrieval date the pricing page also showed promotional prices ("up to 50% discount"); according to terms section 1.5, discounts only apply to first bookings by new customers for the minimum term, renewals at regular prices.
- Buchhaltung Pro (Accounting Pro)
List price EUR 34.90 per month billed monthly, EUR 30.90 per month for 12 months, EUR 27.90 per month for 24 months, each plus VAT; 1 user, more via add-on at EUR 5.90 per month. On the retrieval date the pricing page also showed promotional prices ("up to 50% discount"); according to terms section 1.5, discounts only apply to first bookings by new customers for the minimum term, renewals at regular prices.
Writer- Starter
not publicly documented (the pricing page shows no price; according to the FAQ, monthly or annual billing per seat with fixed credit limits; 14-day free trial, no credit card required)
- Enterprise
Custom, contact sales (pricing page)
- Free
- differs by tool
- sevdesk
- noFree
- yesRechnung (Invoicing), Buchhaltung (Accounting), Buchhaltung Pro (Accounting Pro)
- Writeryesall 2 plans
- sevdesk
- Free
no (pricing page: the free plan covers 3 (e-)invoices per month, contacts, products and support material; AI-supported receipt capture and the AI agent Sevi are only listed for paid plans)
- Rechnung (Invoicing)
yes (AI agent Sevi in support, according to the pricing page in all three paid plans; AI-supported receipt capture and online banking reconciliation only from the Buchhaltung plan)
- Buchhaltung (Accounting)
yes (AI-supported receipt capture reading date, amount, receipt number and supplier and suggesting the booking category; AI-supported matching of bank payments to invoices and receipts; AI agent Sevi; suggestions must be reviewed and confirmed by the user)
- Buchhaltung Pro (Accounting Pro)
yes (all AI features from Buchhaltung; additionally cost centres, management accounts (BWA) and REST API)
Writer- Starter
yes (WRITER Agent for chat and automation, up to 5 users, up to 5 Playbooks, up to 3 scheduled routines, 1 team personality profile, basic connectors; AI Studio with limited access)
- Enterprise
yes (any number of users and teams, unlimited Playbooks, advanced orchestration, audit logs, SSO/SAML, SCIM, 'Works with preferred LLMs')
- Free
Evidence
- sevdesk12 sources
- Writer8 sources
- sevdesk
- Pricing and plansPricing page, retrieved 18 Oct 2026
- Data processing agreement (version 04.07.2025)DPA, retrieved 18 Oct 2026
- List of approved sub-processors (as of 10.04.2024)Sub-processor list, retrieved 18 Oct 2026
- Technical and organisational measures (as of 10.04.2024)TOMs, retrieved 18 Oct 2026
- Privacy notice web app (as of 13.01.2025)Privacy notice, retrieved 18 Oct 2026
- SecuritySecurity page, retrieved 18 Oct 2026
- General terms and conditionsTerms and conditions, retrieved 18 Oct 2026
- Online banking (incl. FAQ on AI matching and finAPI)Product page, retrieved 18 Oct 2026
- Recording receipts (incl. FAQ on AI-supported receipt capture)Product page, retrieved 18 Oct 2026
- Help centre: Recording receiptsDocumentation, retrieved 18 Oct 2026
- Help centre: Free planDocumentation, retrieved 18 Oct 2026
- Help centre: Data processing agreement (DPA)Documentation, retrieved 18 Oct 2026
Writer- Plans & PricingPricing page, retrieved 18 Oct 2026
- Security and trust at WRITERTrust Center, retrieved 18 Oct 2026
- Privacy Policy (Effective Date April 17, 2026)Privacy notice, retrieved 14 Oct 2026
- Subprocessors (Last Updated October 14, 2026)Sub-processor list, retrieved 18 Oct 2026
- Data Processing Agreement (as of 2025-12-04)DPA, retrieved 18 Oct 2026
- Terms of Use (Version June 5, 2026)Terms and conditions, retrieved 18 Oct 2026
- Platform Services Agreement (Version August 5, 2026)Terms and conditions, retrieved 18 Oct 2026
- Setting up data retentionHelp centre, retrieved 18 Oct 2026
not documentedmeans: not publicly documented, not verifiable in any provider source. It does not mean “no”.
No guarantee of accuracy, not legal advice. Each entry is valid as of the date shown. Open points are listed on the detail pages.
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Individual pages: sevdesk, Writer. All tools in the category: Business software.