Best When I Work Alternatives in 2026
Updated
20 tools from calendar apps ranked against When I Work on the same published basis.
- 1When I Work vs Lark
- 2When I Work vs Calendar.com
- 3When I Work vs Microsoft Outlook Calendar
- 4When I Work vs Teamup
- 5When I Work vs Cozi
- 6When I Work vs FlowSavvy
- 7When I Work vs Proton Calendar
- 8When I Work vs Reclaim AI
- 9When I Work vs TimeFinder
- 10When I Work vs EGroupware
- 11When I Work vs Google Calendar
- 12When I Work vs Fantastical
- 13When I Work vs Notion Calendar
- 14When I Work vs Mozilla Thunderbird
- 15When I Work vs Ellie Planner
- 16When I Work vs 7shifts
- 17When I Work vs Tilly
- 18When I Work vs eM Client
- 19When I Work vs Tuta Calendar
- 20When I Work vs Structured
When I Work alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Lark | 9.2 | Free plan | — | Android, API, iOS, Linux, Mac, Web, Windows |
| 2 | Calendar.com | 9.1 | Free plan | $20/mo | Android, API, Browser, iOS, Web |
| 3 | Microsoft Outlook Calendar | 9.0 | Free plan | $1.67/mo | Android, iOS, Mac, Web |
| 4 | Teamup | 8.9 | Free plan | $12/mo | Android, API, iOS, Web |
| 5 | Cozi | 8.9 | Free plan | $3.25/mo | Android, iOS, Web |
| 6 | FlowSavvy | 8.7 | Free plan | — | Android, iOS, Web |
| 7 | Proton Calendar | 8.6 | Free plan | Free | Android, iOS |
| 8 | Reclaim AI | 8.6 | Free plan | $10/mo | Browser, Web |
| 9 | TimeFinder | 8.4 | Free plan | Free | Web, Windows, Mac, iOS, Android |
| 10 | EGroupware | 8.4 | No | €21.90/mo | Web, Linux, Windows, Mac |
| 11 | Google Calendar | 8.3 | No | $7/mo | Android, iOS |
| 12 | Fantastical | 8.3 | Free plan | Free | iOS |
| 13 | Notion Calendar | 8.2 | Free plan | Free | Android, iOS |
| 14 | Mozilla Thunderbird | 8.2 | Free plan | Free | Android, Linux, Mac, Windows |
| 15 | Ellie Planner | 8.2 | Free plan | $9.99/mo | iOS, Mac, Web, Windows |
| 16 | 7shifts | 8.2 | Free plan | Free | Android, API, iOS, Web |
| 17 | Tilly | 8.2 | Free plan | $5/mo | iOS, Mac, Web |
| 18 | eM Client | 8.2 | Free plan | $3.33/mo | Android, iOS, Mac, Windows |
| 19 | Tuta Calendar | 8.1 | Free plan | €3/mo | Android, iOS |
| 20 | Structured | 8.1 | No | — | Android, iOS, Mac, Web |
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Questions about When I Work alternatives
What is the best alternative to When I Work?
Lark, number 1 in calendar apps with a score of 9.2 out of 10. The others here: Calendar.com, Microsoft Outlook Calendar, Teamup and 16 more.
What is the best free alternative to When I Work?
Lark is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to When I Work?
Yes: EGroupware, Mozilla Thunderbird.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.