Best busyfold Alternatives in 2026
Updated
20 apps from calendar apps ranked against busyfold on the same published basis.
- 1busyfold vs Mozilla Thunderbird
- 2busyfold vs Microsoft Outlook Calendar
- 3busyfold vs Lark
- 4busyfold vs EGroupware
- 5busyfold vs Proton Calendar
- 6busyfold vs Teamup
- 7busyfold vs Cozi
- 8busyfold vs Calendar.com
- 9busyfold vs TimeFinder
- 10busyfold vs Notion Calendar
- 11busyfold vs TimeTree
- 12busyfold vs Doodle
- 13busyfold vs Tuta Calendar
- 14busyfold vs Reclaim AI
- 15busyfold vs FlowSavvy
- 16busyfold vs Musubi
- 17busyfold vs Samsung Calendar
- 18busyfold vs Fantastical
- 19busyfold vs Trevor AI
- 20busyfold vs Calendars by Readdle
busyfold 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 | No | €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 | Doodle | 7.8 | Free plan | $11/mo | Web |
| 13 | Tuta Calendar | 7.8 | Free plan | €3/mo | Android, iOS |
| 14 | Reclaim AI | 7.8 | Free plan | $10/mo | Browser, Web |
| 15 | FlowSavvy | 7.8 | Free plan | — | Android, iOS, Web |
| 16 | Musubi | 7.8 | Free plan | Free | Android, iOS, self-hosted, Web |
| 17 | Samsung Calendar | 7.7 | Free plan | Free | Android |
| 18 | Fantastical | 7.7 | Free plan | Free | iOS, Mac, Windows |
| 19 | Trevor AI | 7.7 | Free plan | $0.42/mo | Web |
| 20 | Calendars by Readdle | 7.7 | Free plan | $1.67/mo | iOS, Mac |
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Questions about busyfold alternatives
What is the best alternative to busyfold?
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 busyfold?
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 busyfold?
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.