Proton Calendar: Secure Events
Keep your schedule private
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Description

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
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In-Apps

Proton Unlimited
$199.99
Mail Plus (1 year)
$79.99

Screenshots

User Rating

3.74 out of 5

77 ratings in Canada

5 star
30
4 star
19
3 star
11
2 star
12
1 star
5

Ratings History

Reviews

Almost perfect

subscription breadpeace on

All they gotta add is something similar to google tasks

iPad support please!

tdechamps on

The overall ecosystem is great and could definitely rival with tech giants, but please,an iPad tailored version of this app is definitely required!

The Perfect Calendar App - Online Only

edriums on

I’ve had this calendar app for a while, and it’s been great watching it improve with changes like how events show in monthly view, and adding different colours for events is a big game changer in how useable the app is for me. With the addition of the options for colours for events, making looking at your monthly view way less of a one coloured blur, this calendar app has gotten to the same point of functionality for me that I loved using google calendar for, but with all the added security and privacy of Proton. My only gripes are small, and do not deter me from using the app, though for people without access to monthly data, it might. The calendar is only able to be updated with new events or have current events edited and saved when connected to either wifi or data, you cannot add or edit anything when entirely offline. I’m lucky enough with my phone provider that this isn’t a problem for me, but I can see it being a headache for others. My much much smaller gripe is that when you create an event and select “all day” for duration, once you click save and the calendar goes back to day view, it’ll go to the day prior to the one you made an event for. So if you select the 20th, make an all day event, click save, it’ll go back to day view on the 19th. As a one off, just an annoyance, but if you’re scheduling multiple all day events, it gets a bit cumbersome. Other than that, this app fulfills all my mobile calendar needs, and I find it to be an easy and comfortable app to use.

A very innovative concept, but…..

learn, work & play on

I do have the appreciation for the innovative approach for the idea of a Proton calendar. Kudos, Proton!!! 👏🏼👏🏼 The gains in productivity with the essential feature of privacy that comes with it!! Fantastic!!! 👍🏼👍🏼👍🏼 I do have to admit though that I often wonder why Proton didn’t integrate the calendar with the ProtonMail app. Considering how the events and invites are being automatically exported from Proton mail to the calendar anyways. I would and will give a 5 star rating to see this one day.

So painfully slow. Often crashes.

Mo YS on

I really, really want to use Proton Calendar, but it's so painfully slow at performing even the simplest things (like creating an event). It's also often unresponsive to the point of being completely unusable. Fingers crossed the devs will stabilize this app.

Weak calendar

BRTVR on

The iPad version is the same size as the phone version and so frustrating to use on an iPad. In addition a weekly view is required. Apple Calendar has Proton Calendar beat every which way from Sunday.

Invite Attendees/Participants is a basic function missing

blackirises88 on

I love Proton and the principles they stand on. But please allow us to invite participants within the app, like this is a basic calendar function. I get it needs access to phone contacts but the proton mail app for iOS has this function so I’m not sure why calendar doesn’t yet.

Basic for 2024

_SomethingSomething_ on

Extremely basic calendar app for 2024. I know privacy is the companies core policy. But as a calendar app some widget or shortcut support is ideal for it to be a substation for the built in calendar app.

Great but…

baystreetguy on

When are you guys going to get the iPad version up and running? The phone version on the iPad is horrendous and difficult to use on the road.

No weekly view

Shxkscbeidyeoc on

Unfortunately this is a key feature for me that’s still missing in the app. I won’t use a calendar app if it doesn’t have a weekly view feature - I’m disappointed this still isn’t implemented :/

Store Rankings

Ranking History

Category Rankings

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Top Free
221
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253
Top Free
261
Top Free
322
Top Free
402

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Revenue and Downloads

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App Info

Publisher
Proton AG
Languages
English, Belarusian, Catalan, Czech, Danish, Dutch, Finnish, French, Georgian, German, Greek (modern), Hungarian, Indonesian, Italian, Korean, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Slovak, Spanish, Swedish, Chinese, Turkish, Ukrainian
Recent version
2.12.1 (3 weeks ago )
Released on
Nov 30, 2022 (1 year ago )
Last updated
1 month ago