Best Atlas Calendar Alternatives in 2026

20 apps from calendar apps ranked against Atlas Calendar on the same published basis.

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

Atlas Calendar alternatives compared

#AppScoreFree planFromRuns on
1Lark9.5Free plan—Android, API, iOS, Linux, Mac, Web, Windows
2Microsoft Outlook Calendar9.4Free plan$1.67/moAndroid, iOS, Mac, Web
3Calendar.com9.1Free plan$20/moAndroid, API, Browser, iOS, Web
4Proton Calendar9.0Free planFreeAndroid, iOS
5Teamup9.0Free plan$12/moAndroid, API, iOS, Web
6Cozi9.0Free plan$3.25/moAndroid, iOS, Web
7TimeTree9.0Free plan$3.75/moAndroid, iOS, Web
8TimeFinder9.0Free planFreeAndroid, iOS, Mac, Web, Windows
9Notion Calendar8.8Free planFreeAndroid, iOS
10Reclaim AI8.8Free plan$10/moBrowser, Web
11FlowSavvy8.8Free plan—Android, iOS, Web
12Google Calendar8.7No$7/moAndroid, iOS
13Tuta Calendar8.7Free plan€3/moAndroid, iOS
14Calendars by Readdle8.7Free plan$1.67/moiOS, Mac
15Musubi8.7Free planFreeAndroid, iOS, self-hosted, Web
16Tweek8.7Free plan$4.17/moAndroid, iOS, Mac, Web
17Doodle8.6Free plan$11/moWeb
18Amie8.6Free planFreeiOS, Mac, Windows
19Rise Calendar8.6Free plan€10/moAndroid, iOS, Mac, Windows
20Fantastical8.5Free planFreeiOS, Mac, Windows
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Questions about Atlas Calendar alternatives

What is the best alternative to Atlas Calendar?

Lark, number 1 in calendar apps with a score of 9.5 out of 10. The others here: Microsoft Outlook Calendar, Calendar.com, Proton Calendar and 16 more.

What is the best free alternative to Atlas Calendar?

Lark is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.