Best SliceFocus Alternatives in 2026
Updated
20 apps from calendar apps ranked against SliceFocus on the same published basis.
- 1SliceFocus vs Mozilla Thunderbird
- 2SliceFocus vs Microsoft Outlook Calendar
- 3SliceFocus vs Lark
- 4SliceFocus vs EGroupware
- 5SliceFocus vs Proton Calendar
- 6SliceFocus vs Teamup
- 7SliceFocus vs Cozi
- 8SliceFocus vs Calendar.com
- 9SliceFocus vs TimeFinder
- 10SliceFocus vs Notion Calendar
- 11SliceFocus vs TimeTree
- 12SliceFocus vs Fantastical
- 13SliceFocus vs Doodle
- 14SliceFocus vs Tuta Calendar
- 15SliceFocus vs Reclaim AI
- 16SliceFocus vs FlowSavvy
- 17SliceFocus vs Musubi
- 18SliceFocus vs Samsung Calendar
- 19SliceFocus vs Trevor AI
- 20SliceFocus vs Calendars by Readdle
SliceFocus 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 SliceFocus
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about SliceFocus alternatives
What is the best alternative to SliceFocus?
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 SliceFocus?
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 SliceFocus?
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.