Privacy Suite
Tuta
German-based encrypted email and calendar with zero-knowledge and post-quantum
Tuta offers a privacy-conscious alternative in the privacy suite space, with a stronger focus on data protection than many mainstream tools.
Who is this for?
✓ Good for you if:
- • You want encrypted email with automatic mailbox
- • You need encrypted calendar with zero-knowledge architecture
- • You want post-quantum for future-proof security
- • You prefer German privacy protections
- • You want open-source client applications
⚠ Think twice if:
- • You need the largest email ecosystem
- • You want free email with all features (free tier is limited)
- • You need self-hosting or complete infrastructure control
- • You want fully open-source server code (clients are )
- • You need IMAP/POP3 support (Tuta uses proprietary protocol)
Overview
Tuta (formerly Tutanota) is a privacy-focused email service that provides end-to-end encryption for emails and contacts. The service encrypts emails on the user's device before sending, ensuring that only the recipient can read them. Tuta does not collect user data, does not track users, and does not display advertisements. The service includes features like encrypted email, encrypted calendar, encrypted contacts, and encrypted search. Tuta is available for web, Android, iOS, and desktop. The service offers both free and paid plans, with paid plans providing more storage and features. Tuta is open source and is developed by Tutao GmbH, which is based in Germany. The service is particularly useful for users who want encrypted email without relying on commercial email providers.
Privacy highlight
End-to-end encrypted email from Germany. , strong , German privacy laws. Secure email alternative.
Quick facts
- Country:
- 🇩🇪 Germany
- Pricing:
- Free
- Platform:
- Web, Android, iOS, Desktop
- Technical:
- Beginner
- :
- Yes
- :
- Minimal telemetry
- :
- No
- Open-source status:
- Partially open source
- :
- No
- :
- Yes
Key features
- Bundle of privacy tools under one account.
Security & encryption Click to expand
- Yes
- Encryption protocols
- AES-256, RSA-2048, x25519, ,
- Tuta uses with keys generated and stored on user devices. keys are derived from user passwords and are never transmitted to servers in plaintext. Tuta uses client-side , meaning emails are encrypted on the device before sending. Tuta does not have access to keys as they never leave user devices. The service supports secure and recovery through encrypted key .
- Offline support
- No
Telemetry & tracking Click to expand
- Minimal telemetry
- No
- Ip no
- To be documented after analysing the app’s and behaviour.
Jurisdiction & compliance Click to expand
- Tuta is developed by Tutao GmbH, which is based in Germany. The service operates servers in Germany and Europe. Tuta operates under German privacy laws and GDPR requirements, providing strong data protection. Encrypted emails are stored on servers in Germany.
- To be filled once retention and log policies are confirmed from primary sources.
- Legal frameworks
- Revenue sources
- Subscription, Freemium
Editorial signals Click to expand
- 84
- Trust score
- 87
- Trust breakdown (0–10)
- Encryption: 95, Audits: 85, Open source: 90, Telemetry: 90, Jurisdiction: 90, Transparency: 85, Trackers: 100
- Editorial notes
- Usability: 85, Performance: 80, Family friendly: 90
User experience Click to expand
- Signup requirements
- Onboarding difficulty (1-5)
- 1
- Accessibility features
- Add technical accessibility details after testing.
Backup & portability Click to expand
- Yes
- Migration tools
- Describe CLI, export/import, and migration flows after review.
- Explain key and account recovery models after research.
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