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Tuta Calendar

Encrypted calendar from Tuta with post-quantum resistant cryptography and seamless mail integration.

Tuta Calendar is the integrated encrypted calendar within Tuta Mail, sharing the same post-quantum resistant encryption architecture. All event data — titles, descriptions, attendees, and locations — is encrypted end-to-end. Tuta Calendar supports multiple calendars, reminders, recurring events, and calendar sharing with other Tuta users. It's included with every Tuta account (free and paid), making it a zero-cost upgrade for existing Tuta users. The tight mail-calendar integration means event invites automatically populate your calendar.

Best for

Tuta Mail users who want encrypted calendar functionality included at no extra cost.

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Strengths & Limitations

Strengths

  • + Post-quantum resistant encryption — future-proof calendar privacy
  • + Included with every Tuta account — free tier gets encrypted calendar at no extra cost
  • + Tight mail-calendar integration; event invites auto-populate from encrypted email

Limitations

  • No CalDAV or external calendar client support — Tuta apps/web only
  • Smaller user base than Proton Calendar; fewer sharing options outside Tuta ecosystem
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Expert Verdict

Encrypted calendar included for free — Tuta users get post-quantum calendar privacy by default.

Real-world Scenarios

Privacy scenario

Choose Tuta Calendar when your priority is privacy and you need tuta mail users who want encrypted calendar functionality included at no extra cost..

Calendar scenario

Choose Tuta Calendar when your priority is calendar and you need tuta mail users who want encrypted calendar functionality included at no extra cost..

When to Choose Tuta Calendar

  • Best for: Tuta Mail users who want encrypted calendar functionality included at no extra cost.
  • Skill Level: beginner
  • Team Size: individual

Product Details

Deployment
cloud
Skill Level
beginner
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