Tuta (formerly known as Tutanota) is the go-to secure email and calendar application, trusted by over 10 million users worldwide. Renowned for its robust encryption, open-source nature, and free availability, Tuta is highly recommended by privacy and security experts for those seeking to safeguard their private communications and schedules.

With Tuta, you can enjoy the benefits of cloud storage—including accessibility, flexibility, and automatic backups—without sacrificing security or privacy. The app features an encrypted calendar and contacts list, ensuring all your data remains secure.

The user-friendly interface of the Tuta email app is both light and beautiful, with options for a dark theme, instant push notifications, auto-sync, and secure full-text search capabilities on encrypted data. Swipe gestures simplify inbox management, and the business email plans offer flexible user and admin management to cater to all your company's email needs.

Here's what you'll love about the Tuta email client for Android:

• Create a free email address with 1 GB of storage, using domains like @tuta.com, @tutanota.com, @tutanota.de, @tutamail.com, @tuta.io, or @keemail.me.
• Set up custom domain email addresses for just €3 per month, with optional catch-all and unlimited email addresses.
• Enjoy instant display of incoming emails without the need to refresh.
• Access your encrypted emails, calendars, and contacts instantly—even offline.
• Use quick swipe gestures to manage your inbox efficiently.
• Receive instant push notifications.
• Benefit from auto-complete mail addresses as you type.
• Experience seamless auto-sync across app, web, and desktop clients.
• Trust in Tuta as a free & open source (FOSS) email app, allowing security experts to review the code.
• Utilize secure & private full-text search of your encrypted emails.
• Register anonymously without a phone number.
• Send calendar invites directly from the secure calendar app.
• Create an unlimited number of encrypted calendars with any paid plan.
• Send and receive end-to-end encrypted emails to anyone for free, alongside non-encrypted traditional emails.
• Automatically encrypt subjects, content, and attachments for maximum security.
• Manage business email with flexible user creation and admin levels.

Tuta enables you to send encrypted emails to anyone for free, storing your entire mailbox, calendars, and contacts securely on servers located in Germany.

At Tuta, privacy is our passion. Our team is dedicated to upholding everyone's right to privacy, supported by an enthusiastic community that allows us to grow continuously. This commitment ensures that Tuta remains a sustainable success without reliance on venture capital. As the world’s most private email service, Tuta is not only the easiest to use but also green, ethical, and packed with comprehensive security features across all plans.

Tuta respects your privacy and data:

• Only you can access your encrypted emails, calendars, and contacts.
• Tuta does not track or profile you.
• Our apps and clients are free and open source.
• We use TLS with PFS, DMARC, DKIM, DNSSEC, and DANE to ensure secure email transmission.
• Our secure password reset process gives us no access to your data.
• 100% of our development and operations occur in Germany, under strict GDPR compliance, on our own servers.
• We power our servers and offices with 100% renewable electricity.

For more information, visit our website at https://tuta.com and explore our open-source code at https://github.com/tutao/tutanota.

Tuta requires minimal permissions to protect your privacy:

• Full network access: To send and receive emails.
• Receive data from the internet: To notify you of new emails.
• View network connections: To check for an internet connection.
• Read your contacts: To select recipients from your phone's contacts.
• Read from SD card: To add attachments from the SD card to emails.
• Control vibration: To notify you of new emails.
• Deactivate sleeping mode: To ensure notifications for new emails are received promptly.