Best Calendars by Readdle Alternatives in 2026

20 tools from calendar apps ranked against Calendars by Readdle on the same published basis.

  1. 1Calendars by Readdle vs Lark
  2. 2Calendars by Readdle vs Calendar.com
  3. 3Calendars by Readdle vs Microsoft Outlook Calendar
  4. 4Calendars by Readdle vs TimeFinder
  5. 5Calendars by Readdle vs Teamup
  6. 6Calendars by Readdle vs Cozi
  7. 7Calendars by Readdle vs TimeTree
  8. 8Calendars by Readdle vs Tweek
  9. 9Calendars by Readdle vs FlowSavvy
  10. 10Calendars by Readdle vs Proton Calendar
  11. 11Calendars by Readdle vs Reclaim AI
  12. 13Calendars by Readdle vs Amie
  13. 14Calendars by Readdle vs Trevor AI
  14. 15Calendars by Readdle vs EGroupware
  15. 16Calendars by Readdle vs FamilyWall
  16. 17Calendars by Readdle vs Google Calendar
  17. 18Calendars by Readdle vs Fantastical
  18. 19Calendars by Readdle vs Rise Calendar
  19. 20Calendars by Readdle vs BlueMind
  20. 21Calendars by Readdle vs Notion Calendar

Calendars by Readdle alternatives compared

#ToolScoreFree planFromRuns on
1Lark9.2Free plan—Android, API, iOS, Linux, Mac, Web, Windows
2Calendar.com9.1Free plan$20/moAndroid, API, Browser, iOS, Web
3Microsoft Outlook Calendar9.0Free plan$1.67/moAndroid, iOS, Mac, Web
4TimeFinder9.0Free planFreeAndroid, iOS, Mac, Web, Windows
5Teamup8.9Free plan$12/moAndroid, API, iOS, Web
6Cozi8.9Free plan$3.25/moAndroid, iOS, Web
7TimeTree8.9Free plan$3.75/moAndroid, iOS, Web
8Tweek8.8Free plan$4.17/moAndroid, iOS, Mac, Web
9FlowSavvy8.7Free plan—Android, iOS, Web
10Proton Calendar8.6Free planFreeAndroid, iOS
11Reclaim AI8.6Free plan$10/moBrowser, Web
13Amie8.6Free planFreeiOS, Mac, Windows
14Trevor AI8.4Free plan$0.42/moWeb
15EGroupware8.4No€21.90/moWeb, Linux, Windows, Mac
16FamilyWall8.4Free plan$3.75/moAndroid, iOS, Web
17Google Calendar8.3No$7/moAndroid, iOS
18Fantastical8.3Free planFreeiOS
19Rise Calendar8.3Free plan€10/moAndroid, iOS, Mac, Windows
20BlueMind8.3Free planFreeAndroid, iOS, Linux, Mac, self-hosted, Web, Windows
21Notion Calendar8.2Free planFreeAndroid, iOS
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Questions about Calendars by Readdle alternatives

What is the best alternative to Calendars by Readdle?

Lark, number 1 in calendar apps with a score of 9.2 out of 10. The others here: Calendar.com, Microsoft Outlook Calendar, TimeFinder and 16 more.

What is the best free alternative to Calendars by Readdle?

Lark is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

Is there an open-source alternative to Calendars by Readdle?

Yes: EGroupware.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.