Best Slotly Alternatives in 2026
Updated
20 apps from calendar apps ranked against Slotly on the same published basis.
- 1Slotly vs Lark
- 2Slotly vs Microsoft Outlook Calendar
- 3Slotly vs Calendar.com
- 4Slotly vs Proton Calendar
- 5Slotly vs Teamup
- 6Slotly vs Cozi
- 7Slotly vs Notion Calendar
- 8Slotly vs Reclaim AI
- 9Slotly vs FlowSavvy
- 10Slotly vs Google Calendar
- 11Slotly vs Tuta Calendar
- 12Slotly vs TimeFinder
- 13Slotly vs Doodle
- 14Slotly vs TimeTree
- 15Slotly vs Fantastical
- 16Slotly vs Mozilla Thunderbird
- 17Slotly vs Samsung Calendar
- 18Slotly vs Vyte
- 19Slotly vs DayOtter
- 20Slotly vs Ellie Planner
Slotly alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Lark | 9.5 | Free plan | — | Android, API, iOS, Linux, Mac, Web, Windows |
| 2 | Microsoft Outlook Calendar | 9.4 | Free plan | $1.67/mo | Android, iOS, Mac, Web |
| 3 | Calendar.com | 9.1 | Free plan | $20/mo | Android, API, Browser, iOS, Web |
| 4 | Proton Calendar | 9.0 | Free plan | Free | Android, iOS |
| 5 | Teamup | 9.0 | Free plan | $12/mo | Android, API, iOS, Web |
| 6 | Cozi | 9.0 | Free plan | $3.25/mo | Android, iOS, Web |
| 7 | Notion Calendar | 8.8 | Free plan | Free | Android, iOS |
| 8 | Reclaim AI | 8.8 | Free plan | $10/mo | Browser, Web |
| 9 | FlowSavvy | 8.8 | Free plan | — | Android, iOS, Web |
| 10 | Google Calendar | 8.7 | No | $7/mo | Android, iOS |
| 11 | Tuta Calendar | 8.7 | Free plan | €3/mo | Android, iOS |
| 12 | TimeFinder | 8.7 | Free plan | Free | Web, Windows, Mac, iOS, Android |
| 13 | Doodle | 8.6 | Free plan | $11/mo | Web |
| 14 | TimeTree | 8.6 | Free plan | $4.49/mo | Android, iOS |
| 15 | Fantastical | 8.5 | Free plan | Free | iOS |
| 16 | Mozilla Thunderbird | 8.5 | Free plan | Free | Android, Linux, Mac, Windows |
| 17 | Samsung Calendar | 8.4 | Free plan | Free | Android |
| 18 | Vyte | 8.4 | Free plan | $8/mo | Web, iOS |
| 19 | DayOtter | 8.4 | Free plan | $9/mo | Web, Android |
| 20 | Ellie Planner | 8.4 | Free plan | $9.99/mo | iOS, Mac, Web, Windows |
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Questions about Slotly alternatives
What is the best alternative to Slotly?
Lark, number 1 in calendar apps with a score of 9.5 out of 10. The others here: Microsoft Outlook Calendar, Calendar.com, Proton Calendar and 16 more.
What is the best free alternative to Slotly?
Lark 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 Slotly?
Yes: Mozilla Thunderbird.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.