Proton Calendar: Secure Events
Proton Calendar: Secure Events is made and published by Proton AG. AppBrain is an independent app data site and isn't affiliated with Proton AG. The app name, icon, screenshots and description belong to Proton AG and are shown as published on Google Play.
AppBrain's verdict
PopularWell rated- Total installs
- 1.2 million
- Best rank
- #101
- Top Free, Denmark
- Rating on Google Play
- 4.37
- 8,382 ratings
- Last updated
- September 22, 2026
Proton Calendar: Secure Events is popular, with 1.2 million installs. Users rate it well: 4.4 stars from 8,382 ratings.
Installs
Tracked by AppBrain- Last 30 days
- 31 thousand
- Per day
- 1 thousand
- 30-day average
- Play install range
- 1+ million
- Launched
- April 2021
Installs over time
Proton Calendar: Secure Events has been installed 1.2 million times. Over the past 30 days, it averaged 1 thousand installs per day.
Rankings
Google Play top charts- Highest rank
- #101
- Chart
- Top Free
- Productivity
- Country
- Denmark
Google Play Rankings for Proton Calendar: Secure Events
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 196 | Canada | Productivity | Top Free |
| 101 | Denmark | Productivity | Top Free |
| 115 | Finland | Productivity | Top Free |
| 118 | Switzerland | Productivity | Top Free |
| 127 | Norway | Productivity | Top Free |
| 159 | Netherlands | Productivity | Top Free |
| 161 | Sweden | Productivity | Top Free |
| 168 | Austria | Productivity | Top Free |
| 190 | Australia | Productivity | Top Free |
| 199 | Belgium | Productivity | Top Free |
Ranking history in Canada
Competitors
Similar apps and more from Proton AGAlternatives to Proton Calendar: Secure Events
More from Proton AG
Releases
Updates seen on Google Play- Version
- 2.34.1
- Launched
- April 2021
User feedback
Ratings and reviews on Google PlayGoogle Play Rating history and histogram
Comments on Proton Calendar: Secure Events for Android
Technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 65
- App size
- 122.9 MB
- Needs Android
- 6.0+
- Content rating
- Everyone
Technologies used by Proton Calendar: Secure Events
About the app and developer
About Proton Calendar: Secure Events
Proton Calendar: Secure Events is a productivity app developed by Proton AG.
How many times has Proton Calendar: Secure Events been downloaded?
Proton Calendar: Secure Events has been downloaded 1.2 million times. In the last 30 days, the app was downloaded 31 thousand times.
What is the rating of Proton Calendar: Secure Events?
Proton Calendar: Secure Events is rated 4.37 out of 5 stars, based on 8.4 thousand ratings.
Is Proton Calendar: Secure Events free?
Proton Calendar: Secure Events is free. The APK size is 122.89 MB. The latest APK version available is 2.34.1. The last update was on September 22, 2026.
What are the requirements for Proton Calendar: Secure Events?
Proton Calendar: Secure Events requires Android 6.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since April 2021.
App Performance Report
Get a detailed PDF report for Proton Calendar: Secure Events with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Proton AG
support@protonmail.zendesk.com
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Frequently asked questions about Proton Calendar: Secure Events
Is Proton Calendar: Secure Events free?
Yes. Proton Calendar: Secure Events is free on Google Play.
Is Proton Calendar: Secure Events still available?
Yes. Proton Calendar: Secure Events is on Google Play, and the last update we saw was on September 22, 2026.
Does Proton Calendar: Secure Events contain ads?
No. Google Play does not list Proton Calendar: Secure Events as containing ads.
What Android version does Proton Calendar: Secure Events require?
Proton Calendar: Secure Events runs on Android 6.0 and higher.
How large is Proton Calendar: Secure Events?
Proton Calendar: Secure Events is 122.89 MB.
Is Proton Calendar: Secure Events suitable for children?
Google Play rates the content of Proton Calendar: Secure Events as suitable for everyone.
How many times has Proton Calendar: Secure Events been installed?
Google Play lists 1,000,000+ installs for Proton Calendar: Secure Events.
How do people rate Proton Calendar: Secure Events?
Proton Calendar: Secure Events scores 4.37 out of 5 stars, from 8,382 ratings on Google Play.
Who made Proton Calendar: Secure Events?
Proton Calendar: Secure Events was developed by Proton AG. It is listed in the productivity category on Google Play.
What are the best alternatives to Proton Calendar: Secure Events?
People looking at Proton Calendar: Secure Events also look at these productivity apps: Calendar 2026, Calendar 2026, Calendar 2026, Calendar, Calendar 2026.
Store listing
By Proton AG, from Google Play“Private calendar: Reminders, schedule planner, calendar widget, time-management”
Description by Proton AG Written by the developer, not by AppBrain. Click to read.
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