Best Kopano WebApp Alternatives in 2026
Updated
20 tools from email clients ranked against Kopano WebApp on the same published basis.
- 1Kopano WebApp vs Zoho Mail
- 2Kopano WebApp vs Mailbutler Smart Assistant
- 3Kopano WebApp vs Spark Mail
- 4Kopano WebApp vs Epistles Mail
- 5Kopano WebApp vs eM Client
- 6Kopano WebApp vs Mailspring
- 7Kopano WebApp vs Mozilla Thunderbird
- 8Kopano WebApp vs Spike
- 9Kopano WebApp vs Dove
- 10Kopano WebApp vs Newton Mail
- 11Kopano WebApp vs Canary Mail
- 12Kopano WebApp vs Edison Mail
- 13Kopano WebApp vs Saymail
- 14Kopano WebApp vs Workspace ONE Boxer
- 15Kopano WebApp vs Shortwave
- 16Kopano WebApp vs Missive
- 17Kopano WebApp vs Airmail
- 18Kopano WebApp vs PigeonPost
- 19Kopano WebApp vs Velo
- 20Kopano WebApp vs Sparrow
Kopano WebApp 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 | Edison Mail | 8.6 | Free plan | Android, iOS, Mac, Windows | |
| 13 | Saymail | 8.6 | Free plan | €3.25/mo | Android, iOS, Linux, Mac, Windows |
| 14 | Workspace ONE Boxer | 8.5 | No | $5.40/mo | Web, Windows, Mac, Linux, iOS, Android |
| 15 | Shortwave | 8.5 | $30/mo | Android, iOS, Mac, Web, Windows | |
| 16 | Missive | 8.4 | No | $14/mo | Web, Windows, Mac, iOS, Android |
| 17 | Airmail | 8.3 | Free plan | $2.50/mo | iOS, Mac |
| 18 | PigeonPost | 8.3 | Free plan | Free | Linux, Mac, Windows |
| 19 | Velo | 8.3 | Free plan | Free | Linux, Mac, Windows |
| 20 | Sparrow | 8.3 | Free plan | Free | Linux, Mac, Windows |
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Questions about Kopano WebApp alternatives
What is the best alternative to Kopano WebApp?
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 Kopano WebApp?
Zoho Mail 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 Kopano WebApp?
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.