Best TOC Alternatives in 2026
Updated
20 apps from calendar apps ranked against TOC on the same published basis.
- 1TOC vs Mozilla Thunderbird
- 2TOC vs Microsoft Outlook Calendar
- 3TOC vs Lark
- 4TOC vs EGroupware
- 5TOC vs Proton Calendar
- 6TOC vs Teamup
- 7TOC vs Cozi
- 8TOC vs Calendar.com
- 9TOC vs TimeFinder
- 10TOC vs Notion Calendar
- 11TOC vs TimeTree
- 12TOC vs Fantastical
- 13TOC vs Doodle
- 14TOC vs Tuta Calendar
- 15TOC vs Reclaim AI
- 16TOC vs FlowSavvy
- 17TOC vs Musubi
- 18TOC vs Samsung Calendar
- 19TOC vs Trevor AI
- 20TOC vs Calendars by Readdle
TOC alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mozilla Thunderbird | 9.0 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | Microsoft Outlook Calendar | 8.2 | Free plan | $1.67/mo | Android, iOS, Mac, Web |
| 3 | Lark | 8.2 | Free plan | Android, API, iOS, Linux, Mac, Web, Windows | |
| 4 | EGroupware | 8.2 | €21.90/mo | Web, Linux, Windows, Mac | |
| 5 | Proton Calendar | 8.0 | Free plan | Free | Android, iOS |
| 6 | Teamup | 8.0 | Free plan | $12/mo | Android, API, iOS, Web |
| 7 | Cozi | 8.0 | Free plan | $3.25/mo | Android, iOS, Web |
| 8 | Calendar.com | 8.0 | Free plan | $20/mo | Android, API, Browser, iOS, Web |
| 9 | TimeFinder | 8.0 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 10 | Notion Calendar | 7.9 | Free plan | Free | Android, iOS |
| 11 | TimeTree | 7.9 | Free plan | $3.75/mo | Android, iOS, Web |
| 12 | Fantastical | 7.9 | Free plan | Free | iOS, Mac, Windows |
| 13 | Doodle | 7.8 | Free plan | $11/mo | Web |
| 14 | Tuta Calendar | 7.8 | Free plan | €3/mo | Android, iOS |
| 15 | Reclaim AI | 7.8 | Free plan | $10/mo | Browser, Web |
| 16 | FlowSavvy | 7.8 | Free plan | Android, iOS, Web | |
| 17 | Musubi | 7.8 | Free plan | Free | Android, iOS, self-hosted, Web |
| 18 | Samsung Calendar | 7.7 | Free plan | Free | Android |
| 19 | Trevor AI | 7.7 | Free plan | $0.42/mo | Web |
| 20 | Calendars by Readdle | 7.7 | Free plan | $1.67/mo | iOS, Mac |
Make your app an alternative to TOC
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about TOC alternatives
What is the best alternative to TOC?
Mozilla Thunderbird, number 1 in calendar apps with a score of 9.0 out of 10. The others here: Microsoft Outlook Calendar, Lark, EGroupware and 16 more.
What is the best free alternative to TOC?
Mozilla Thunderbird is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to TOC?
Yes: Mozilla Thunderbird, EGroupware.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.

































