Best Kronolith Alternatives in 2026
Updated
20 platforms from calendar apps ranked against Kronolith on the same published basis.
- 1Kronolith vs Lark
- 2Kronolith vs Calendar.com
- 3Kronolith vs Teamup
- 4Kronolith vs 7shifts
- 5Kronolith vs Slotly
- 6Kronolith vs Mozilla Thunderbird
- 7Kronolith vs Microsoft Outlook Calendar
- 8Kronolith vs Proton Calendar
- 9Kronolith vs Reclaim AI
- 10Kronolith vs EGroupware
- 11Kronolith vs Notion Calendar
- 12Kronolith vs Doodle
- 13Kronolith vs Cozi
- 14Kronolith vs TimeTree
- 15Kronolith vs Google Calendar
- 16Kronolith vs Tuta Calendar
- 17Kronolith vs Fantastical
- 18Kronolith vs FlowSavvy
- 19Kronolith vs Trevor AI
- 20Kronolith vs Samsung Calendar
Kronolith alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Lark | 8.8 | Free plan | — | Android, API, iOS, Linux, Mac, Web, Windows |
| 2 | Calendar.com | 8.8 | Free plan | $20/mo | Android, API, Browser, iOS, Web |
| 3 | Teamup | 8.7 | Free plan | $12/mo | Android, API, iOS, Web |
| 4 | 7shifts | 8.1 | Free plan | Free | Android, API, iOS, Web |
| 5 | Slotly | 7.9 | Free plan | $0.83/mo | Android, API, Web |
| 6 | Mozilla Thunderbird | 7.6 | Free plan | Free | Android, Linux, Mac, Windows |
| 7 | Microsoft Outlook Calendar | 7.5 | Free plan | $1.67/mo | Android, iOS, Mac, Web |
| 8 | Proton Calendar | 7.4 | Free plan | Free | Android, iOS |
| 9 | Reclaim AI | 7.4 | Free plan | $10/mo | Browser, Web |
| 10 | EGroupware | 7.4 | No | €21.90/mo | Web, Linux, Windows, Mac |
| 11 | Notion Calendar | 7.3 | Free plan | Free | Android, iOS |
| 12 | Doodle | 7.3 | Free plan | $11/mo | Web |
| 13 | Cozi | 7.3 | Free plan | $3.25/mo | Android, iOS, Web |
| 14 | TimeTree | 7.3 | Free plan | $3.75/mo | Android, iOS, Web |
| 15 | Google Calendar | 7.2 | No | $7/mo | Android, iOS |
| 16 | Tuta Calendar | 7.2 | Free plan | €3/mo | Android, iOS |
| 17 | Fantastical | 7.2 | Free plan | Free | iOS |
| 18 | FlowSavvy | 7.2 | Free plan | — | Android, iOS, Web |
| 19 | Trevor AI | 7.2 | Free plan | $0.42/mo | Web |
| 20 | Samsung Calendar | 7.1 | Free plan | Free | Android |
Make your platform an alternative to Kronolith
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Kronolith alternatives
What is the best alternative to Kronolith?
Lark, number 1 in calendar apps with a score of 8.8 out of 10. The others here: Calendar.com, Teamup, 7shifts and 16 more.
What is the best free alternative to Kronolith?
Lark 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 Kronolith?
Yes: Mozilla Thunderbird, EGroupware.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.