About this listing
Proton Calendar: Secure Events is listed with version, update, developer, screenshots, permissions, source, and compatibility details from the available app metadata.
Before you install
- Android requirement is not listed in the current data.
- Package size is not listed in the current data.
- The source link points to a Google Play listing.
Listing evidence
Proton Calendar: Secure Events includes version 2.30.0, last update Dec 10, 2025, 24 screenshots, privacy policy link in the current metadata.
The current metadata notes that permission list is not available.
Proton Calendar: Secure Events app information and review notes
Proton Calendar: Secure Events by Proton AG is listed in Productivity. This page organizes the available metadata into a practical review format, including version 2.30.0, Android requirement not listed, update date Dec 10, 2025, rating 4.5 out of 5, and install signal 500,000+.
Compare Android productivity apps by looking at task, note, file, calendar, sync, offline, and collaboration features alongside permission and account requirements. For Proton Calendar: Secure Events, use the details below as a checklist before you decide whether the app fits your device, privacy expectations, and use case.
Use case fit
Proton Calendar: Secure Events is summarized as: "Private calendar: Reminders, schedule planner, calendar widget, time-management" Compare that promise with the screenshots, category, update notes, and related apps before installing.
Version and compatibility
The listing shows version 2.30.0, Android requirement not listed, package size not listed, and last update Dec 10, 2025. These details matter because older devices, large packages, and stale updates can change the install experience.
Privacy and permissions
Proton Calendar: Secure Events does not include a permission list in the current metadata, so review the source listing and Android install prompt carefully.
Review checklist
- Confirm the developer name and source listing before installing.
- Review version, Android requirement, package size, and update date.
- Compare requested permission access with the feature you actually need.
- Read recent change notes and ratings as signals, not as guarantees of safety.
App description
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
Requirements (Latest version)
• Requires Android 5.0 or higher