Proton Calendar: Secure Events

Download Proton Calendar: Secure Events APK

me.proton.android.calendar · by Proton AG

Latest Version: 2.28.0 • Updated: Jan 04, 2026

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About Proton Calendar: Secure Events

Proton Calendar is an easy-to-use planner and a time-management tool that keeps your schedule private Additional Highlights ✓ Schedule planner syncs automatically across browsers and devices ✓ Create recurring events on a daily, weekly, monthly, yearly, or custom basis ✓ Use as an appointment scheduler in local or foreign time zones ✓ Manage up to 20 calendars (paid feature) ✓ View your agenda from the home screen with the Proton Calendar widget ✓ Add multiple reminders for any event ✓ Use as a daily planner or monthly planner by switching between different views ✓ Choose to view your event schedule in dark mode or light mode PRIVATE CALENDAR ✓ No ads, no trackers, and no data sharing with any third parties ✓ We can’t spy on your activities or misuse your data ✓ End-to-end encryption — fully encrypted data exchange between Proton Calendar users ✓ Zero-access encryption — event names, descriptions, and participants are encrypted on our servers ✓ Based in Switzerland 🇨🇭 — All your data is protected by strict Swiss privacy laws USERS FIRST Building an internet that puts people ahead of 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 ✓ GDPR and HIPAA compliant ✓ Based in Switzerland and protected by some of the world’s strongest privacy laws What others say about Proton Calendar “Proton Mail 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

All Proton Calendar: Secure Events APK versions

Frequently Asked Questions

Yes. Every Proton Calendar: Secure Events APK on APK.now is automatically scanned and the cryptographic signature is verified against the original publisher's certificate (Proton AG). Files that fail verification are removed before they ever reach the catalog.

Enable 'Install from unknown sources' for your browser (or the file manager you use to open the APK) under Settings → Apps → Special access. Tap the downloaded Proton Calendar: Secure Events APK, confirm the prompts, and Android installs it just like any app from the Play Store.

The latest Proton Calendar: Secure Events version available on APK.now is 2.28.0. We track new releases from Proton AG continuously and add them to the catalog as soon as they pass verification.

Yes — every Proton Calendar: Secure Events APK and every version on APK.now is free to download. We never gate downloads behind sign-up, surveys, or paywalls.

APK.now keeps a full archive of every Proton Calendar: Secure Events release, including older versions that the Play Store has already replaced. The APKs work on devices without Google Play Services (Huawei, GrapheneOS, Amazon Fire) and are signature-verified so you can be confident the file is genuine.