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Alternatives

The best Proton Calendar alternatives

An end-to-end encrypted calendar from Proton, with sharing, booking pages and Proton Mail integration. If it is not working for you, here are 8 apps that do the same job, closest match first.

Built from official pricing pages and app store listings, prices checked 2026-11-01. Not paid to be here.

At a glance

AppPricePlatformsPick it if
Proton Calendar (the app you have)Proton Free $0Everywhere-
Google CalendarFree with a Google accountiPhone, Android, Webyou want it free
HEY CalendarIncluded with HEY, about $99/yearEverywhereyou want a close match
Notion CalendarFreeEverywhereyou want it free
VimcalFree iOS planiPhone, Mac, Windows, Webyou want more power-user features
Apple CalendarFree with Apple devicesiPhone, Mac, Webyou want it free
Morgen14-day free trialEverywhereyou want more power-user features
AmieFree tieriPhone, Mac, Windows, Webyou want AI built in
FantasticalFree basic versioniPhone, Mac, Windowsyou want more power-user features
1

Google Calendar

Free with a Google account
Google Calendar screenshot 1

The default shared calendar for most families and teams.

Pick it if you want it free, you want something simpler and you are sharing it with family.

FreeiPhoneAndroidWeb
2

HEY Calendar

Included with HEY, about $99/year
HEY Calendar screenshot 1

A scrolling timeline calendar from 37signals, with habits, journaling and time tracking.

PaidiPhoneAndroidMacWindowsLinuxWeb
4

Vimcal

Free iOS plan; paid about $25-35/month
Vimcal screenshot 1

A fast, keyboard-driven calendar for people who live in back-to-back meetings.

Pick it if you want more power-user features and you run a small business.

Free planiPhoneMacWindowsWeb
5

Apple Calendar

Free with Apple devices
Apple Calendar screenshot 1

The calendar already on every iPhone and Mac, free and syncing through iCloud.

Pick it if you want it free, you want something simpler and you are just starting out.

FreeiPhoneMacWeb
6

Morgen

14-day free trial; Pro about $15-30/month
Morgen screenshot 1

Calendars, tasks and an AI planner that schedules your to-dos into free time.

Pick it if you want more power-user features and you want AI built in.

PaidiPhoneAndroidMacWindowsLinuxWeb
7

Amie

Free tier; paid Pro and Business plans
Amie screenshot 1

Calendar, to-dos, email and AI meeting notes together in one workspace.

Pick it if you want AI built in.

Free planiPhoneMacWindowsWeb
8

Fantastical

Free basic version; Premium subscription
Fantastical screenshot 1

A polished calendar with natural-language event entry.

Pick it if you want more power-user features and you use Apple devices.

Free planiPhoneMacWindows

We matched these apps to Proton Calendar by what they are for, who they suit and where they run, using our research on each app's official website and app store listing. We have not tested them hands-on for this page. Check the price on each app's own site before you buy.

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