Best Exo Alternatives in 2026
Updated
20 tools from email clients ranked against Exo on the same published basis.
- 1Exo vs Zoho Mail
- 2Exo vs Mailbutler Smart Assistant
- 3Exo vs Spark Mail
- 4Exo vs Epistles Mail
- 5Exo vs eM Client
- 6Exo vs Mailspring
- 7Exo vs Mozilla Thunderbird
- 8Exo vs Spike
- 9Exo vs Dove
- 10Exo vs Newton Mail
- 11Exo vs Canary Mail
- 12Exo vs Workspace ONE Boxer
- 13Exo vs Shortwave
- 14Exo vs Missive
- 15Exo vs Saymail
- 16Exo vs Airmail
- 17Exo vs PigeonPost
- 18Exo vs Velo
- 19Exo vs Sparrow
- 20Exo vs Superhuman Mail
Exo alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Zoho Mail | 9.7 | Free plan | $0.08/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Mailbutler Smart Assistant | 9.4 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 3 | Spark Mail | 9.3 | Free plan | $8.25/mo | Android, iOS, Mac, Windows |
| 4 | Epistles Mail | 9.3 | Free plan | $2.92/mo | Android, iOS, Linux, Mac, Web, Windows |
| 5 | eM Client | 9.0 | Free plan | $3.33/mo | Android, iOS, Mac, Windows |
| 6 | Mailspring | 9.0 | Free plan | Linux, Mac, Windows | |
| 7 | Mozilla Thunderbird | 8.9 | Free plan | Free | Android, Linux, Mac, Windows |
| 8 | Spike | 8.9 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 9 | Dove | 8.9 | Free plan | $16.67/mo | Android, iOS, Mac, Web, Windows |
| 10 | Newton Mail | 8.8 | Free plan | $5/mo | Android, iOS, Mac, Windows |
| 11 | Canary Mail | 8.8 | Free plan | $3/mo | Android, iOS, Mac, Windows |
| 12 | Workspace ONE Boxer | 8.5 | No | $5.40/mo | Web, Windows, Mac, Linux, iOS, Android |
| 13 | Shortwave | 8.5 | $30/mo | Android, iOS, Mac, Web, Windows | |
| 14 | Missive | 8.4 | No | $14/mo | Web, Windows, Mac, iOS, Android |
| 15 | Saymail | 8.4 | Free plan | €3.25/mo | Windows, Mac, Linux, iOS, Android |
| 16 | Airmail | 8.3 | Free plan | $2.50/mo | iOS, Mac |
| 17 | PigeonPost | 8.3 | Free plan | Free | Linux, Mac, Windows |
| 18 | Velo | 8.3 | Free plan | Free | Linux, Mac, Windows |
| 19 | Sparrow | 8.3 | Free plan | Free | Linux, Mac, Windows |
| 20 | Superhuman Mail | 8.2 | No | $2.08/mo | Web, Windows, Mac, iOS, Android |
Make your tool an alternative to Exo
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Exo alternatives
What is the best alternative to Exo?
Zoho Mail, number 1 in email clients with a score of 9.7 out of 10. The others here: Mailbutler Smart Assistant, Spark Mail, Epistles Mail and 16 more.
What is the best free alternative to Exo?
Zoho Mail is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to Exo?
Yes: 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.