Best Horde IMP Alternatives in 2026
Updated
20 tools from email clients ranked against Horde IMP on the same published basis.
- 1Horde IMP vs Zoho Mail
- 2Horde IMP vs Mailbutler Smart Assistant
- 3Horde IMP vs Spark Mail
- 4Horde IMP vs Epistles Mail
- 5Horde IMP vs eM Client
- 6Horde IMP vs Mailspring
- 7Horde IMP vs Mozilla Thunderbird
- 8Horde IMP vs Spike
- 9Horde IMP vs Dove
- 10Horde IMP vs Newton Mail
- 11Horde IMP vs Canary Mail
- 12Horde IMP vs Workspace ONE Boxer
- 13Horde IMP vs Shortwave
- 14Horde IMP vs Missive
- 15Horde IMP vs Saymail
- 16Horde IMP vs Airmail
- 17Horde IMP vs PigeonPost
- 18Horde IMP vs Velo
- 19Horde IMP vs Sparrow
- 20Horde IMP vs Superhuman Mail
Horde IMP 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 |
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Questions about Horde IMP alternatives
What is the best alternative to Horde IMP?
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 Horde IMP?
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 Horde IMP?
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.