Best CustodySplit Alternatives in 2026
Updated
20 platforms from calendar apps ranked against CustodySplit on the same published basis.
- 1CustodySplit vs Calendar.com
- 2CustodySplit vs Teamup
- 3CustodySplit vs Cozi
- 4CustodySplit vs Microsoft Outlook Calendar
- 5CustodySplit vs Lark
- 6CustodySplit vs Reclaim AI
- 7CustodySplit vs FlowSavvy
- 8CustodySplit vs Fantastical
- 9CustodySplit vs Proton Calendar
- 10CustodySplit vs Informant
- 11CustodySplit vs 7shifts
- 12CustodySplit vs Tilly
- 13CustodySplit vs Notion Calendar
- 14CustodySplit vs Doodle
- 15CustodySplit vs Tuta Calendar
- 16CustodySplit vs TimeFinder
- 17CustodySplit vs EGroupware
- 18CustodySplit vs Google Calendar
- 19CustodySplit vs TimeTree
- 20CustodySplit vs Mozilla Thunderbird
CustodySplit alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Calendar.com | 9.3 | Free plan | $20/mo | Android, API, Browser, iOS, Web |
| 2 | Teamup | 9.2 | Free plan | $12/mo | Android, API, iOS, Web |
| 3 | Cozi | 9.2 | Free plan | $3.25/mo | Android, iOS, Web |
| 4 | Microsoft Outlook Calendar | 9.0 | Free plan | $1.67/mo | Android, iOS, Mac, Web |
| 5 | Lark | 9.0 | Free plan | — | Android, API, iOS, Linux, Mac, Web, Windows |
| 6 | Reclaim AI | 9.0 | Free plan | $10/mo | Browser, Web |
| 7 | FlowSavvy | 9.0 | Free plan | — | Android, iOS, Web |
| 8 | Fantastical | 8.8 | Free plan | Free | iOS |
| 9 | Proton Calendar | 8.6 | Free plan | Free | Android, iOS |
| 10 | Informant | 8.5 | Free plan | — | Android, iOS |
| 11 | 7shifts | 8.5 | Free plan | Free | Android, API, iOS, Web |
| 12 | Tilly | 8.5 | Free plan | $5/mo | iOS, Mac, Web |
| 13 | Notion Calendar | 8.4 | Free plan | Free | Android, iOS |
| 14 | Doodle | 8.3 | Free plan | $11/mo | Web |
| 15 | Tuta Calendar | 8.3 | Free plan | €3/mo | Android, iOS |
| 16 | TimeFinder | 8.3 | Free plan | Free | Web, Windows, Mac, iOS, Android |
| 17 | EGroupware | 8.3 | No | €21.90/mo | Web, Linux, Windows, Mac |
| 18 | Google Calendar | 8.2 | No | $7/mo | Android, iOS |
| 19 | TimeTree | 8.2 | Free plan | $4.49/mo | Android, iOS |
| 20 | Mozilla Thunderbird | 8.2 | Free plan | Free | Android, Linux, Mac, Windows |
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Questions about CustodySplit alternatives
What is the best alternative to CustodySplit?
Calendar.com, number 1 in calendar apps with a score of 9.3 out of 10. The others here: Teamup, Cozi, Microsoft Outlook Calendar and 16 more.
What is the best free alternative to CustodySplit?
Calendar.com 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 CustodySplit?
Yes: EGroupware, Mozilla Thunderbird.
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.