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Google Calendar alternatives: 6 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Google Calendar: no official desktop app for Windows or Mac, and not end-to-end encrypted. We ranked 6 alternatives by how directly each one replaces Google Calendar, then by reviews, real visits and how recently each app's facts were checked against its own website. Proton Calendar currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Proton Calendar logoProton CalendarFree plan + paidYesWeb, iOS, Android +34 of 466.5
2Notion Calendar logoNotion CalendarFreeNoWeb, macOS, Windows +24 of 459.6
3Zoho Calendar logoZoho CalendarFreeNoWeb, iOS, Android4 of 457.2
4Tuta Calendar logoTuta CalendarFree plan + paidYesWeb, iOS, Android +34 of 455.3
5Morgen logoMorgenPaidNoWeb, Windows, macOS +35 of 553.6
  1. Proton Calendar logo

    1. Proton CalendarTop pick

    Best for: Privacy-minded people and teams who want encrypted calendars, ideally with Proton Mail

    Free plan + paidOpen sourceWeb, iOS, Android, macOS, Windows, Linux

    66.5

    score / 100

    Why switch from Google Calendar

    End-to-end encrypted events from a Swiss company, with a free plan.

    Pros

    • End-to-end encrypted event details
    • Swiss jurisdiction and open-source apps
    • Free plan, bundled with Proton Mail on paid plans

    Cons

    • No direct CalDAV sync with third-party clients
    • Fewer integrations than Google Calendar
    • Best value only if you use other Proton apps
    Visit Proton Calendar Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Proton Calendar a good Google Calendar alternative?

    Verified facts

    4 of 4 verified
    End-to-end encryption
    Yes
    Checked Oct 25, 2026proton.me(opens source in a new tab)
    Jurisdiction
    Switzerland
    Checked Oct 25, 2026proton.me(opens source in a new tab)
    Desktop apps
    macOS, Windows, Linux
    Checked Oct 25, 2026proton.me(opens source in a new tab)
    Free plan
    Yes
    Checked Oct 25, 2026proton.me(opens source in a new tab)
  2. Notion Calendar logo

    2. Notion Calendar

    Best for: Notion users who want a fast free calendar connected to their workspace

    FreeWeb, macOS, Windows, iOS, Android

    59.6

    score / 100

    Why switch from Google Calendar

    A free, keyboard-friendly desktop client for Google calendars.

    Pros

    • Free, fast and keyboard friendly
    • Links events and Notion pages or databases
    • Desktop apps for Mac and Windows

    Cons

    • Most useful alongside Notion and Google accounts
    • No built-in task manager
    • No time-blocking automation
    Visit Notion Calendar Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Notion Calendar a good Google Calendar alternative?

    Verified facts

    4 of 4 verified
    Price
    Free
    Checked Oct 25, 2026notion.com(opens source in a new tab)
    Desktop apps
    macOS and Windows
    Checked Oct 25, 2026notion.com(opens source in a new tab)
    Calendar accounts
    Google, Outlook, iCloud
    Checked Oct 25, 2026notion.com(opens source in a new tab)
    Mobile apps
    iPhone and Android
    Checked Oct 25, 2026notion.com(opens source in a new tab)
  3. Zoho Calendar logo

    3. Zoho Calendar

    Best for: Small organisations using Zoho apps, or anyone wanting a free non-Google web calendar

    FreeWeb, iOS, Android

    57.2

    score / 100

    Why switch from Google Calendar

    Free online calendar with sharing and booking, outside Google's ecosystem.

    Pros

    • Free for individuals and teams
    • Room and resource booking plus appointment pages
    • Ties into Zoho Mail, CRM and Projects

    Cons

    • No native desktop app
    • Busy interface
    • Fewer integrations outside the Zoho family
    Visit Zoho Calendar Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Zoho Calendar a good Google Calendar alternative?

    Verified facts

    4 of 4 verified
    Price
    Free
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
    Mobile apps
    iOS and Android
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
    Appointment booking
    Yes
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
    Resource booking
    Yes
    Checked Oct 25, 2026zoho.com(opens source in a new tab)
  4. Tuta Calendar logo

    4. Tuta Calendar

    Best for: Privacy-focused users who want an encrypted calendar with open-source apps

    Free plan + paidOpen sourceWeb, iOS, Android, Windows, macOS, Linux

    55.3

    score / 100

    Why switch from Google Calendar

    Encrypted calendar with open-source apps and a free tier.

    Pros

    • Encrypted calendar with open-source clients
    • Apps on every major platform, including Linux
    • Android APK available outside Google Play

    Cons

    • Free plan limited to one calendar
    • No CalDAV sync with other calendar apps
    • Basic features compared with mainstream calendars
    Visit Tuta Calendar Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Tuta Calendar a good Google Calendar alternative?

    Verified facts

    4 of 4 verified
    Mobile apps
    Free, Android and iPhone
    Checked Oct 25, 2026tuta.com(opens source in a new tab)
    Desktop clients
    Open source for Windows, macOS, Linux
    Checked Oct 25, 2026tuta.com(opens source in a new tab)
    Free plan calendars
    1
    Checked Oct 25, 2026tuta.com(opens source in a new tab)
    Android APK
    Available from GitHub
    Checked Oct 25, 2026tuta.com(opens source in a new tab)
  5. Morgen logo

    5. Morgen

    Best for: Professionals who want calendars and tasks from several tools planned in one place

    PaidWeb, Windows, macOS, Linux, iOS, Android

    53.6

    score / 100

    Why switch from Google Calendar

    Combines Google and other calendars with tasks and time blocking.

    Pros

    • Desktop apps for Windows, Mac and Linux
    • Brings tasks from many tools onto the calendar
    • AI planning you can accept or tweak

    Cons

    • No free plan after the trial
    • Monthly billing costs twice the yearly rate
    • Planner features take time to set up well
    Visit Morgen Details and reviews
    How this score is calculated
    Editorial fit ×0.357
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Morgen a good Google Calendar alternative?

    Verified facts

    5 of 5 verified
    Pro price
    $15/month billed yearly ($30 monthly)
    Checked Oct 25, 2026morgen.so(opens source in a new tab)
    Team plan
    $10 per seat/month billed yearly, 2 seats minimum
    Checked Oct 25, 2026morgen.so(opens source in a new tab)
    Free trial
    14 days, no card
    Checked Oct 25, 2026morgen.so(opens source in a new tab)
    Platforms
    Windows, Mac, Linux, web, mobile
    Checked Oct 25, 2026morgen.so(opens source in a new tab)
    Users
    248,000+ professionals
    Checked Oct 25, 2026morgen.so(opens source in a new tab)

The best Google Calendar alternative for…

The highest-ranked app in this list for each need.

Proton Calendar logo

Best Google Calendar alternative for most people

Proton Calendar

End-to-end encrypted events from a Swiss company, with a free plan.

Notion Calendar logo

Best Google Calendar alternative for a free option

Notion Calendar

A free, keyboard-friendly desktop client for Google calendars.

Fantastical logo

Best Google Calendar alternative for a free plan you can upgrade

Fantastical

A polished native app for Apple devices that works on top of a Google account.

Tuta Calendar logo

Best Google Calendar alternative for open source

Tuta Calendar

Encrypted calendar with open-source apps and a free tier.

Morgen logo

Best Google Calendar alternative for Mac

Morgen

Combines Google and other calendars with tasks and time blocking.

Proton Calendar logo

Best Google Calendar alternative for Windows

Proton Calendar

End-to-end encrypted events from a Swiss company, with a free plan.

Proton Calendar logo

Best Google Calendar alternative for Linux

Proton Calendar

End-to-end encrypted events from a Swiss company, with a free plan.

Zoho Calendar logo

Best Google Calendar alternative for iPhone and Android

Zoho Calendar

Free online calendar with sharing and booking, outside Google's ecosystem.

Proton Calendar logo

Best Google Calendar alternative for working in the browser

Proton Calendar

End-to-end encrypted events from a Swiss company, with a free plan.

Google Calendar alternatives: common questions

What is the best alternative to Google Calendar?

Proton Calendar ranks first right now. End-to-end encrypted events from a Swiss company, with a free plan. Fantastical and Notion Calendar follow it in our ranking.

Is there a free alternative to Google Calendar?

Yes. Proton Calendar (free plan + paid), Fantastical (free plan + paid), Notion Calendar (free) and Zoho Calendar (free) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Google Calendar?

Yes: Proton Calendar and Tuta Calendar.

Which Google Calendar alternatives work on Linux?

Proton Calendar, Tuta Calendar and Morgen run on Linux.

Why do people switch from Google Calendar?

The complaints we hear most: no official desktop app for Windows or Mac; not end-to-end encrypted; fuller booking features need a paid plan.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Google Calendar, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.