Proton Calendar: Secure Events
Proton AG Productivity iPhoneiPadiPod touch
Proton Calendar: Secure Events is a free Productivity app for iPhone and iPad by Proton AG. Rated 4.1/5 from 1,594 ratings. Requires iOS 16.0.
- Rating
- 4.1
- 1.5K ratings
- Price
- Free
- on the App Store
- Size
- 185 MB
- Age 4+
- Updated
- Jun 3
- 2026 · v2.25.1
Screenshots
About Proton Calendar: Secure Events
A calendar is a record of your life: Proton Calendar helps keep it private. Make the most of your time - See your upcoming events as you like with agenda or day view - View and reply to invites - Events and invites are automatically added to your calendar from your Proton Mail inbox - View your schedule in light or dark mode - Add multiple reminders for your events - Create recurring events on a daily, weekly, monthly, yearly, or custom basis - Keep your calendar in sync across all your devices Private by default - No ads, no trackers, and no data harvesting - We can’t spy on your calendar or misuse your data - Protected by the same end-to-end encryption used in Proton Mail - Event names, descriptions, and participants are stored with zero-access encryption - Based in Switzerland, all your data is protected by strict Swiss privacy laws People before profits - Funded by users, not advertisers — Privacy is our business model - Built by scientists and engineers who met at CERN and MIT and founded Proton Mail - Used by high-profile journalists and organizations globally What others say about Proton: “Proton has now made it stupid-easy to encrypt your schedule. Information about what you plan to do, where, and with whom, can be just as sensitive as the messages you send and receive.” Gizmodo Follow Proton on social media for all the latest news and offers: Facebook: /proton Twitter/X: @protonprivacy Reddit: /protonmail Instagram: /protonprivacy EULA: http://www.apple.com/legal/itunes/appstore/dev/stdeula
Ratings & reviews
4.1
1.5K ratings
What’s new
Version 2.25.1 · Updated June 3, 2026
Minor bug-fixes.
App privacy
The developer, Proton AG, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: App Functionality
Alternatives to Proton Calendar: Secure Events
Looking for apps like Proton Calendar: Secure Events? Here are 6 similar apps on the App Store. The highest rated is Bitwarden Password Manager (4.8/5), and all 6 are free to download.
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Bitwarden Authenticator
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KDE Connect
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Proton Calendar: Secure Events | 4.1 / 5 (1,594 ratings) | Free | June 3, 2026 | |
| Standard Notes | 4.7 / 5 (3,809) | Free | Nov 3, 2026 | Compare |
| Tuta Mail: Secure Email | 4.7 / 5 (3,861) | Free | Nov 12, 2026 | Compare |
| Yubico Authenticator | 3.7 / 5 (288) | Free | Mar 11, 2026 | Compare |
| Bitwarden Authenticator | 3.5 / 5 (97) | Free | Oct 29, 2026 | Compare |
| Bitwarden Password Manager | 4.8 / 5 (36,210) | Free | Oct 29, 2026 | Compare |
| KDE Connect | 4.2 / 5 (281) | Free | Oct 9, 2026 | Compare |