Tuta Calendar is unclaimed —

Tuta Calendar

Turn ON privacy for free with secure emails, calendars & contacts·tuta.com

Tuta Calendar is an end-to-end encrypted, zero-knowledge calendar that lets users schedule and store appointments confidentially, with even reminders encrypted so the provider cannot see event times. It is integrated with Tuta Mail so users can send and receive event invitations and manage meetings via email. Encrypted push notifications are used on Android and iOS instead of Google Push, and the calendar is available via web, mobile and desktop apps.

What it's for

Scheduling and storing personal appointments confidentiallyManaging business meetings and repeating tasksSending and receiving encrypted calendar/event invitations via emailReceiving private push reminders for events on mobile devicesSharing calendars (on paid plans)

Features 12

Calendar sharing (paid plans)
Data stored on servers in ISO 27001 certified data centers in Germany
Encrypted event reminders and notifications
Encrypted push notifications on Android and iOS (no Google Push)
End-to-end encrypted, zero-knowledge calendar
Integration with Tuta Mail for managing meetings
Multiple calendars support (unlimited on paid plans)
Offline support in desktop clients
Open source clients auditable by security experts
Sending and receiving encrypted event/meeting invitations
Two-factor authentication (TOTP or U2F) for account security
Web, mobile (Android/iOS) and desktop (Windows/macOS/Linux) apps

At a glance

free tieropen source

TypeWeb app

DeploymentCloud

PlatformsWeb, Windows, macOS, Linux, iOS, Android

LanguagesEnglish, Česky, Deutsch, Español, Suomi, Français, Magyar nyelv, Italiano, 日本語, Nederlands, Polski, Português, BR, Pусский, Svenska, Yкраїнська, 中文

Forbusinesses, medical organizations, personal users, activists, journalists

CompanyTuta · 2011

Complianceself-reported

GDPRISO 27001

Resources

Changelog

Pricing

The pricing page lists Free, Revolutionary, and Legend plans with feature comparisons, but base subscription prices for Revolutionary and Legend are not shown; only multi-user add-on rates (€3 and €8 per user/month) are stated, in EUR. Discounts for non-profits and schools are mentioned but not quantified.

FreeFree

Forever-free personal plan.

1 GB storage, 1 calendar, 3 labels

RevolutionaryQuote

Base subscription price not shown on the pricing page; multi-user family option available via support request, billed at €3 per additional user/month.

20 GB storage, unlimited calendars, unlimited labels, 15 extra email addresses, 3 custom domains

LegendQuote

Base subscription price not shown on the pricing page; multi-user family option available via support request, billed at €8 per additional user/month.

500 GB storage, unlimited calendars, unlimited labels, 30 extra email addresses, 10 custom domains