Report updated Apr 18, 2026
Tuta: Secure Private Calendar
For privacy-conscious individuals seeking a secure, open-source alternative to mainstream calendar applications.
Overview · Full Intel report in progress
Tuta: Secure Private Calendar is an established productivity app that is completely free. With a 4.5/5 rating from 1K reviews, it shows polarized user reception.
What is Tuta: Secure Private Calendar?
Current Momentum
v340.260326 · 3w ago
IntenseLast updated 21d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Are The Key Features?
Ensures all event details and reminders are end-to-end encrypted and accessible only by the user.
Maintains user privacy by ensuring the developer cannot access event times, meeting details, or attendee information.
Allows users to share events with others or external calendars via password-protected invites.
Provides a unified experience by connecting the calendar directly with the Tuta Mail application.
How much does it cost?
Who Built It?
Tutao
Providing privacy-focused email and calendar services with end-to-end encryption. Enabling secure communication for users who prioritize data sovereignty.
Portfolio
2
Apps
What other apps does Tutao make?
Explore the full Tutao report
Portfolio breakdown, audience, momentum, and every app published by Tutao.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Tuta: Secure Private Calendar?
How's The Productivity Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Tuta: Secure Private Calendar
Key Takeaways
While the app offers robust security features, users report significant technical stability issues, including frequent crashes and synchronization delays.
Where Is It Heading?
Trend analysis
Available very soon