Best Microsoft Outlook Calendar Alternatives in 2026

20 platforms from calendar apps ranked against Microsoft Outlook Calendar on the same published basis.

  1. 1Microsoft Outlook Calendar vs Calendar.com
  2. 2Microsoft Outlook Calendar vs Teamup
  3. 3Microsoft Outlook Calendar vs Cozi
  4. 4Microsoft Outlook Calendar vs TimeFinder
  5. 5Microsoft Outlook Calendar vs TimeTree
  6. 7Microsoft Outlook Calendar vs Lark
  7. 8Microsoft Outlook Calendar vs Reclaim AI
  8. 9Microsoft Outlook Calendar vs FlowSavvy
  9. 10Microsoft Outlook Calendar vs Tweek
  10. 11Microsoft Outlook Calendar vs Calendars by Readdle
  11. 12Microsoft Outlook Calendar vs Amie
  12. 13Microsoft Outlook Calendar vs Fantastical
  13. 14Microsoft Outlook Calendar vs Trevor AI
  14. 15Microsoft Outlook Calendar vs FamilyWall
  15. 16Microsoft Outlook Calendar vs Proton Calendar
  16. 17Microsoft Outlook Calendar vs Skej
  17. 18Microsoft Outlook Calendar vs Informant
  18. 19Microsoft Outlook Calendar vs Sorted³
  19. 20Microsoft Outlook Calendar vs 7shifts
  20. 21Microsoft Outlook Calendar vs Tilly

Microsoft Outlook Calendar alternatives compared

#PlatformScoreFree planFromRuns on
1Calendar.com9.3Free plan$20/moAndroid, API, Browser, iOS, Web
2Teamup9.2Free plan$12/moAndroid, API, iOS, Web
3Cozi9.2Free plan$3.25/moAndroid, iOS, Web
4TimeFinder9.2Free planFreeAndroid, iOS, Mac, Web, Windows
5TimeTree9.1Free plan$3.75/moAndroid, iOS, Web
7Lark9.0Free plan—Android, API, iOS, Linux, Mac, Web, Windows
8Reclaim AI9.0Free plan$10/moBrowser, Web
9FlowSavvy9.0Free plan—Android, iOS, Web
10Tweek9.0Free plan$4.17/moAndroid, iOS, Mac, Web
11Calendars by Readdle8.9Free plan$1.67/moiOS, Mac
12Amie8.9Free planFreeiOS, Mac, Windows
13Fantastical8.8Free planFreeiOS, Mac, Windows
14Trevor AI8.8Free plan$0.42/moWeb
15FamilyWall8.7Free plan$3.75/moAndroid, iOS, Web
16Proton Calendar8.6Free planFreeAndroid, iOS
17Skej8.6Free plan$15/moWeb
18Informant8.5Free plan—Android, Browser, iOS, Mac, Web
19Sorted³8.5Free plan$14.99/moiOS, Mac
207shifts8.5Free planFreeAndroid, API, iOS, Web
21Tilly8.5Free plan$5/moiOS, Mac, Web
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Questions about Microsoft Outlook Calendar alternatives

What is the best alternative to Microsoft Outlook Calendar?

Calendar.com, number 1 in calendar apps with a score of 9.3 out of 10. The others here: Teamup, Cozi, TimeFinder and 16 more.

What is the best free alternative to Microsoft Outlook Calendar?

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

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.