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Service Status: All systems operational and responding normally
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Global Availability: Working normally worldwide
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Proton Calendar: Secure Events

Productivity
4.4
5.5K+ reviews
Downloads: 500.0K+
Type: Free
Content Rating: Everyone
Developer: Proton AG

About this app

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
✓ Ma...

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User Reviews from Store

Showing 8 of 10 reviews (Page 1 of 2)

Albee

Albee

Oct 13, 2025
The app is fine, but I miss the widget with the monthly view, it is so useful!
Krazjark Studios

Krazjark Studios

Oct 12, 2025
Functional, but basic calendar app. I can import easily from Google which is nice, but the lack of settings for font size and transparency in the widget is disappointing.
Nope

Nope

Oct 10, 2025
Been good so for trying it out for a new project and so far seem to integrate well
Freddy

Freddy

Oct 10, 2025
..better than Google calendar, 🗓️..
8Cake

8Cake

Oct 9, 2025
I love the idea of a truly private calendar, but despite paying for the excellent Proton mail, drive, and docs, I've never used their calendar. because. there is no way to show the calendar month by month on my homescreen as a widget AND no tags, just colours (and, like, why is there three shades of "plum" but no red?) That's the main thing I use a calendar app for. So I'm stuck with the abominable Timetree until this basic feature is added.
Anastasia

Anastasia

Oct 6, 2025
App is good, just suggesting/asking for the addition of an annual view It's a feature I feel is missing, I think it's useful to be able to see your entire year sometimes.
Janoš Botka

Janoš Botka

Oct 5, 2025
After quick test I was certain that this is the design of calendar I am looking for but it lacks CalDAV integration, so it is a no go for me.
Aritra King

Aritra King

Oct 3, 2025
Very good and really helpful. Does its job without any issues and UI also feels real nice. The only downside is that you are limited to copper color for events on the free plan. Please add a few more for the free plan.

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