Best Atlas Calendar Alternatives in 2026

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

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

Atlas Calendar alternatives compared

#AppScoreFree planFromRuns on
1Microsoft Outlook Calendar9.7Free plan$1.67/moAndroid, iOS, Mac, Web
2Proton Calendar9.6Free planFreeAndroid, iOS
3Lark9.6Free plan—Android, API, iOS, Linux, Mac, Web, Windows
4Calendar.com9.6Free plan$20/moAndroid, API, Browser, iOS, Web
5Teamup9.5Free plan$12/moAndroid, API, iOS, Web
6Cozi9.5Free plan$3.25/moAndroid, iOS, Web
7TimeTree9.5Free plan$3.75/moAndroid, iOS, Web
8Notion Calendar9.4Free planFreeAndroid, iOS
9Tuta Calendar9.3Free plan€3/moAndroid, iOS
10Fantastical9.3Free planFreeiOS, Mac, Windows
11FlowSavvy9.3Free plan—Android, iOS, Web
12TimeFinder9.3Free planFreeAndroid, iOS, Mac, Web, Windows
13Calendars by Readdle9.3Free plan$1.67/moiOS, Mac
14Google Calendar9.2No$7/moAndroid, iOS
15Samsung Calendar9.2Free planFreeAndroid
16Musubi9.2Free planFreeAndroid, iOS, self-hosted, Web
17Vyte9.1Free plan$8/moWeb, iOS
18DayOtter9.1Free plan$9/moWeb, Android
19Amie9.1Free planFreeiOS, Mac, Windows
20Tweek9.1Free plan$4.17/moAndroid, iOS, Mac, Web
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Questions about Atlas Calendar alternatives

What is the best alternative to Atlas Calendar?

Microsoft Outlook Calendar, number 1 in calendar apps with a score of 9.7 out of 10. The others here: Proton Calendar, Lark, Calendar.com and 16 more.

What is the best free alternative to Atlas Calendar?

Microsoft Outlook Calendar 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.