Best Everest Alternatives in 2026
Updated
20 platforms from calendar apps ranked against Everest on the same published basis.
- 1Everest vs Lark
- 2Everest vs Calendar.com
- 3Everest vs Teamup
- 4Everest vs 7shifts
- 5Everest vs Slotly
- 6Everest vs Mozilla Thunderbird
- 7Everest vs Microsoft Outlook Calendar
- 8Everest vs Proton Calendar
- 9Everest vs Reclaim AI
- 10Everest vs EGroupware
- 11Everest vs Rallly
- 12Everest vs Notion Calendar
- 13Everest vs Doodle
- 14Everest vs Cozi
- 15Everest vs TimeTree
- 16Everest vs Google Calendar
- 17Everest vs Tuta Calendar
- 18Everest vs Fantastical
- 19Everest vs FlowSavvy
- 20Everest vs Trevor AI
Everest 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 | Rallly | 7.4 | Free plan | $0.50/mo | API, self-hosted, Web |
| 12 | Notion Calendar | 7.3 | Free plan | Free | Android, iOS |
| 13 | Doodle | 7.3 | Free plan | $11/mo | Web |
| 14 | Cozi | 7.3 | Free plan | $3.25/mo | Android, iOS, Web |
| 15 | TimeTree | 7.3 | Free plan | $3.75/mo | Android, iOS, Web |
| 16 | Google Calendar | 7.2 | No | $7/mo | Android, iOS |
| 17 | Tuta Calendar | 7.2 | Free plan | €3/mo | Android, iOS |
| 18 | Fantastical | 7.2 | Free plan | Free | iOS |
| 19 | FlowSavvy | 7.2 | Free plan | — | Android, iOS, Web |
| 20 | Trevor AI | 7.2 | Free plan | $0.42/mo | Web |
Make your platform an alternative to Everest
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Everest alternatives
What is the best alternative to Everest?
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 Everest?
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 Everest?
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.