Best Metis Mail Alternatives in 2026
Updated
20 platforms from email clients ranked against Metis Mail on the same published basis.
- 1Metis Mail vs Mozilla Thunderbird
- 2Metis Mail vs Hiver
- 3Metis Mail vs Front
- 4Metis Mail vs Gmelius
- 5Metis Mail vs Zoho Mail
- 6Metis Mail vs Spark Mail
- 7Metis Mail vs eM Client
- 8Metis Mail vs Mailspring
- 9Metis Mail vs Newton Mail
- 10Metis Mail vs Spike
- 11Metis Mail vs Canary Mail
- 12Metis Mail vs Mailbutler Smart Assistant
- 13Metis Mail vs Airmail
- 14Metis Mail vs Mailpile
- 15Metis Mail vs Epistles Mail
- 16Metis Mail vs Velo
- 17Metis Mail vs KMail
- 18Metis Mail vs Missive
- 19Metis Mail vs Dove
- 20Metis Mail vs EmailOps
Metis Mail alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mozilla Thunderbird | 8.3 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | Hiver | 8.1 | No | $25/mo | API |
| 3 | Front | 8.0 | No | $25/mo | API |
| 4 | Gmelius | 7.8 | No | $19/mo | Android, API, Browser, iOS, Web |
| 5 | Zoho Mail | 7.5 | Free plan | $0.08/mo | Android, iOS, Linux, Mac, Web, Windows |
| 6 | Spark Mail | 7.5 | Free plan | $8.25/mo | Android, iOS, Mac, Windows |
| 7 | eM Client | 7.5 | Free plan | $3.33/mo | Android, iOS, Mac, Windows |
| 8 | Mailspring | 7.4 | Free plan | — | Linux, Mac, Windows |
| 9 | Newton Mail | 7.3 | Free plan | $5/mo | Android, iOS, Mac, Windows |
| 10 | Spike | 7.3 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 11 | Canary Mail | 7.3 | Free plan | $3/mo | Android, iOS, Mac, Windows |
| 12 | Mailbutler Smart Assistant | 7.3 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 13 | Airmail | 7.2 | Free plan | $2.50/mo | iOS, Mac |
| 14 | Mailpile | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 15 | Epistles Mail | 7.1 | Free plan | $2.92/mo | Android, iOS, Linux, Mac, Web, Windows |
| 16 | Velo | 6.9 | Free plan | Free | Windows, Mac, Linux |
| 17 | KMail | 6.8 | No | — | Linux |
| 18 | Missive | 6.8 | No | $14/mo | Web, Windows, Mac, iOS, Android |
| 19 | Dove | 6.8 | Free plan | $20/mo | Web, Windows, Mac, iOS, Android |
| 20 | EmailOps | 6.8 | Free plan | Free | Linux, Mac, Windows |
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Questions about Metis Mail alternatives
What is the best alternative to Metis Mail?
Mozilla Thunderbird, number 1 in email clients with a score of 8.3 out of 10. The others here: Hiver, Front, Gmelius and 16 more.
What is the best free alternative to Metis Mail?
Mozilla Thunderbird is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to Metis Mail?
Yes: Mozilla Thunderbird.
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.