Application Description:
Tuta (formerly Tutanota) is the most secure email and calendar app available today — fast, fully encrypted, open source, and free. Trusted by over 10 million personal and professional users worldwide, it's the top choice recommended by privacy and security experts for protecting your emails and schedules from unauthorized access.
With Tuta’s free secure email app, you also get an encrypted calendar and encrypted contacts — all protected with end-to-end encryption. Tuta Mail gives you the convenience of cloud-based services like instant availability, automatic backups, and seamless syncing, without sacrificing your privacy or security.
The Tuta app features a lightweight, beautifully designed interface with a dark mode, instant push notifications, auto-sync, secure full-text search on encrypted data, intuitive swipe gestures, and more. For businesses, Tuta offers flexible email plans with advanced user management and admin controls, making it easy to manage your team’s communication securely.
Why You’ll Love the Tuta Email Client for Android
- Create a free email address with @tuta.com, @tutanota.com, @tutanota.de, @tutamail.com, @tuta.io, or @keemail.me — including 1 GB of secure storage.
- Set up custom domain email addresses starting at just €3/month, with catch-all inboxes and unlimited email addresses.
- Enjoy instant display of incoming emails — no pull-to-refresh needed.
- Access your encrypted emails, calendars, and contacts instantly, even when offline.
- Use quick swipe gestures to organize your inbox with ease.
- Receive instant push notifications for new messages.
- Auto-complete email addresses as you type for faster composing.
- Auto-sync across the Tuta app, web client, and desktop apps.
- Tuta is 100% free and open source (FOSS), allowing independent security audits of the code.
- Search your entire encrypted mailbox securely with full-text search — no data exposed.
- Register anonymously — no phone number required.
- Send calendar invites directly from the secure calendar app.
- Create unlimited encrypted calendars with any paid plan.
- Send and receive end-to-end encrypted emails to anyone — completely free.
- Exchange standard (non-end-to-end encrypted) emails when needed.
- Automatic encryption of subject lines, message content, and attachments for maximum protection.
- Business email solutions with flexible user management and admin roles.
Tuta’s secure email app allows you to send encrypted messages to anyone at no cost. Your entire mailbox, calendars, and contact list are stored in encrypted form on Tuta’s servers located in Germany — ensuring that only you can ever access your data.
Our Commitment to Privacy
Tuta Mail is built by a team deeply committed to the right to digital privacy. Backed by a strong global community, we’ve grown sustainably without relying on venture capital. This independence allows us to focus solely on user security and ethics. Tuta is not only the world’s most private email service but also one of the easiest to use, environmentally responsible, and ethically operated — offering the most comprehensive set of security features in both the free and paid plans.
How Tuta Protects You and Your Data
- Only you can decrypt and access your emails, calendars, and contacts.
- Tuta does not track, profile, or collect your personal data.
- All apps and clients are free and open source (FOSS) for full transparency.
- Secure email transmission using TLS with support for PFS, DMARC, DKIM, DNSSEC, and DANE.
- Secure password reset process — we never gain access to your account.
- 100% developed and hosted in Germany, operating under strict GDPR regulations on our own private servers.
- Powered entirely by renewable energy — both servers and offices run on 100% green electricity.
Website: https://tuta.com
Source Code: https://github.com/tutao/tutanota
App Permissions Explained
Tuta requests minimal permissions to ensure your privacy is preserved:
- Full network access: To send and receive encrypted emails.
- Receive data from the internet: Enables push notifications for new messages.
- View network connections: Checks for active internet connectivity.
- Read your contacts: Allows you to select recipients from your device’s contact list.
- Read from SD card: Permits attaching files stored on your SD card.
- Control vibration: Provides haptic feedback for new email alerts.
- Deactivate sleeping mode: Ensures timely delivery of push notifications.