Best cal.ad Alternatives in 2026

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

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

cal.ad alternatives compared

#ToolScoreFree planFromRuns on
1Lark9.2Free planAndroid, 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
8Fantastical8.9Free planFreeiOS, Mac, Windows
9Tweek8.8Free plan$4.17/moAndroid, iOS, Mac, Web
10FlowSavvy8.7Free planAndroid, iOS, Web
11Informant8.7Free planAndroid, Browser, iOS, Mac, Web
12Proton Calendar8.6Free planFreeAndroid, iOS
13Reclaim AI8.6Free plan$10/moBrowser, Web
14Calendars by Readdle8.6Free plan$1.67/moiOS, Mac
15Amie8.6Free planFreeiOS, Mac, Windows
16Trevor AI8.4Free plan$0.42/moWeb
17EGroupware8.4€21.90/moWeb, Linux, Windows, Mac
18SkedPal8.4No$9.95/moAndroid, iOS, Linux, Mac, Web, Windows
19FamilyWall8.4Free plan$3.75/moAndroid, iOS, Web
20Google Calendar8.3$7/moAndroid, iOS
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Questions about cal.ad alternatives

What is the best alternative to cal.ad?

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 cal.ad?

Lark is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.

Is there an open-source alternative to cal.ad?

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.