Best UCals Alternatives in 2026

20 tools from calendar apps ranked against UCals on the same published basis.

  1. 1UCals vs Lark
  2. 2UCals vs Calendar.com
  3. 3UCals vs Microsoft Outlook Calendar
  4. 4UCals vs Teamup
  5. 5UCals vs FlowSavvy
  6. 6UCals vs Proton Calendar
  7. 7UCals vs Reclaim AI
  8. 8UCals vs TimeFinder
  9. 9UCals vs EGroupware
  10. 10UCals vs Google Calendar
  11. 11UCals vs Fantastical
  12. 12UCals vs Notion Calendar
  13. 13UCals vs Mozilla Thunderbird
  14. 14UCals vs Ellie Planner
  15. 15UCals vs 7shifts
  16. 16UCals vs Tilly
  17. 17UCals vs eM Client
  18. 18UCals vs Tuta Calendar
  19. 19UCals vs Cozi
  20. 20UCals vs Informant

UCals 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
4Teamup8.9Free plan$12/moAndroid, API, iOS, Web
5FlowSavvy8.7Free plan—Android, iOS, Web
6Proton Calendar8.6Free planFreeAndroid, iOS
7Reclaim AI8.6Free plan$10/moBrowser, Web
8TimeFinder8.4Free planFreeWeb, Windows, Mac, iOS, Android
9EGroupware8.4No€21.90/moWeb, Linux, Windows, Mac
10Google Calendar8.3No$7/moAndroid, iOS
11Fantastical8.3Free planFreeiOS
12Notion Calendar8.2Free planFreeAndroid, iOS
13Mozilla Thunderbird8.2Free planFreeAndroid, Linux, Mac, Windows
14Ellie Planner8.2Free plan$9.99/moiOS, Mac, Web, Windows
157shifts8.2Free planFreeAndroid, API, iOS, Web
16Tilly8.2Free plan$5/moiOS, Mac, Web
17eM Client8.2Free plan$3.33/moAndroid, iOS, Mac, Windows
18Tuta Calendar8.1Free plan€3/moAndroid, iOS
19Cozi8.1Free plan$3.25/moAndroid, iOS
20Informant8.1Free plan—Android, iOS
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Questions about UCals alternatives

What is the best alternative to UCals?

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

What is the best free alternative to UCals?

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 UCals?

Yes: EGroupware, Mozilla Thunderbird.

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.