AppBrain
AppBrain
  • Apps
  • Apps being viewed right now Trending apps today Most popular apps All-time most installed apps Top rated apps iPhone and iPad apps
  • Intelligence ▾
    Intelligence overview → Track any Android app or your whole market
    Track & analyze
    Keyword Tracker & OptimizerTrack & improve Play rankings App Performance ReportOne-off PDF for any app StatisticsFree Android & Play market stats
    Promote your app
    Featured Apps App Links
  • Intelligence
  • Pricing
  • Dashboard
  • Sign up
  • Log in
App Store Apps > Productivity > Proton Calendar: Secure Events
Proton Calendar: Secure Events icon

Proton Calendar: Secure Events

by Proton AG · Productivity · Free
On the App Store since November 2022 · Data updated 2026-11-01

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 the App Store.

AppBrain's verdict

Well rated
Rating on App Store
4.10
1,572 ratings
Last updated
June 3, 2026
Size
185.0 MB

Users rate it well: 4.1 stars from 1,572 ratings.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Proton Calendar: Secure Events for iOS

We don't have enough comments to show example comments. Please check back later.

Store listing

By Proton AG, from the App Store
Proton Calendar: Secure Events Screenshot 1 of 6
Proton Calendar: Secure Events Screenshot 2 of 6
Proton Calendar: Secure Events Screenshot 3 of 6
Proton Calendar: Secure Events Screenshot 4 of 6
Proton Calendar: Secure Events Screenshot 5 of 6
Proton Calendar: Secure Events Screenshot 6 of 6
Screenshots by Proton AG, from the the App Store listing
Description by Proton AG Written by the developer, not by AppBrain. Click to read.
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
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
185.0 MB
Content rating
Everyone

Technologies used by Proton Calendar: Secure Events

Releases

Updates seen on the App Store
Version
2.25.1
Launched
November 2022

No changelog data

Alternatives

Similar apps and more from Proton AG

Alternatives to Proton Calendar: Secure Events

Tuta Mail: Secure Email icon Tuta Mail: Secure Email
Tutao GmbH
4.7
Free
3.8K ratings
Standard Notes icon Standard Notes
Standard Notes Ltd.
4.7
Free
3.8K ratings
Yubico Authenticator icon Yubico Authenticator
Yubico
3.7
Free
287 ratings
Bitwarden Password Manager icon Bitwarden Password Manager
Bitwarden Inc
4.8
Free
35.3K ratings
Strongbox - Password Manager icon Strongbox - Password Manager
Phoebe Code Limited
4.7
Free
4.1K ratings
Obsidian - Connected Notes icon Obsidian - Connected Notes
Dynalist Inc.
4.5
Free
2.8K ratings
Cryptomator: Protect Privacy icon Cryptomator: Protect Privacy
Skymatic GmbH
4.4
Free
441 ratings
Canary Mail – AI Email icon Canary Mail – AI Email
Cartasec Pte. Ltd.
4.5
Free
8.8K ratings

More from Proton AG

Proton VPN: Fast & Secure icon Proton VPN: Fast & Secure
Proton AG
4.6
Free
127.1K ratings
Encrypted Email - Proton Mail icon Encrypted Email - Proton Mail
Proton AG
4.8
Free
49.7K ratings
Proton Pass - Password Manager icon Proton Pass - Password Manager
Proton AG
4.8
Free
8.9K ratings
SimpleLogin - Email alias icon SimpleLogin - Email alias
Proton AG
4.9
Free
1.4K ratings
Proton Drive: Cloud Storage icon Proton Drive: Cloud Storage
Proton AG
4.1
Free
1.3K ratings
Lumo AI by Proton icon Lumo AI by Proton
Proton AG
3.8
Free
559 ratings
Proton Authenticator & 2FA icon Proton Authenticator & 2FA
Proton AG
4.5
Free
495 ratings
Proton Wallet: Secure Bitcoin icon Proton Wallet: Secure Bitcoin
Proton AG
4.8
Free
266 ratings

Rankings

App Store top charts

App Store Rankings for Proton Calendar: Secure Events

This app is not ranked

About the app and developer

About Proton Calendar: Secure Events

Proton Calendar: Secure Events is a productivity app developed by Proton AG.

What is the rating of Proton Calendar: Secure Events?

Proton Calendar: Secure Events is rated 4.10 out of 5 stars, based on 1.6 thousand ratings.

Is Proton Calendar: Secure Events free?

Proton Calendar: Secure Events is free. The app size is 184.99 MB. The latest version available is 2.25.1. The last update was on June 3, 2026.

What are the requirements for Proton Calendar: Secure Events?

The app has a content rating of Everyone. The app has been available on the App Store since November 2022.

Developer information for Proton AG

Proton AG

Address:

Frequently asked questions about Proton Calendar: Secure Events

Is Proton Calendar: Secure Events free?

Yes. Proton Calendar: Secure Events is free on the App Store.

Is Proton Calendar: Secure Events still available?

Yes. Proton Calendar: Secure Events is on the App Store, and the last update we saw was on June 3, 2026.

How large is Proton Calendar: Secure Events?

Proton Calendar: Secure Events is 184.99 MB.

Is Proton Calendar: Secure Events suitable for children?

App Store rates the content of Proton Calendar: Secure Events as suitable for everyone.

How do people rate Proton Calendar: Secure Events?

Proton Calendar: Secure Events scores 4.10 out of 5 stars, from 1,572 ratings on the App Store.

Who made Proton Calendar: Secure Events?

Proton Calendar: Secure Events was developed by Proton AG. It is listed in the productivity category on the App Store.

What are the best alternatives to Proton Calendar: Secure Events?

People looking at Proton Calendar: Secure Events also look at these productivity apps: Tuta Mail: Secure Email, Standard Notes, Yubico Authenticator, Bitwarden Password Manager, Strongbox - Password Manager.

Share Proton Calendar: Secure Events

Today's trending apps Apps other people are watching Price drops on Google Play Popular Productivity Apps Top new apps
Tuta Mail: Secure Email icon Tuta Mail: Secure Email
Standard Notes icon Standard Notes
Yubico Authenticator icon Yubico Authenticator
Bitwarden Password Manager icon Bitwarden Password Manager
Strongbox - Password Manager icon Strongbox - Password Manager
Obsidian - Connected Notes icon Obsidian - Connected Notes
Cryptomator: Protect Privacy icon Cryptomator: Protect Privacy
Canary Mail – AI Email icon Canary Mail – AI Email
Overview Alternatives Reviews Rankings Technology
AppBrain Intelligence premium content

Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:

  • App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
  • Detailed ranking data per app
  • Full timeline per developer
  • Device market shares data per country
  • Unlimited keyword tracking
1 Month

$75/mo
(billed every month)

SAVE 0%
Subscribe
3 Months

$65/mo
($195 billed every 3 months)

SAVE 13%
Subscribe
1 Year

$57.50/mo
($690 billed every year)

SAVE 23%
Subscribe
Each subscription will automatically renew 3 days before the expiration date for the same time period. Subscriptions can be cancelled at any time before the renewal.

AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.

More apps

  • Top Android apps being viewed
  • USMC Squad Bay
  • YouTube Kids Android App
  • View IP Camera

App statistics

  • Android statistics
  • Google Play Developer stats
  • Trending Android Apps
  • Trending iOS apps
  • Top popular Apps
  • Buy the best Android phone
  • Buy & sell app businesses

About AppBrain

  • Contact
  • Privacy
  • Documentation
  • DMCA takedowns
  • Blog
  • Top Free Games Apps for your iPhone or iPad
© 2010-2026 - AppBrain