Best Lockbin Alternatives in 2026
Updated
20 apps from email encryption software ranked against Lockbin on the same published basis.
- 2Lockbin vs SecureMyEmail
- 3Lockbin vs gpg4o
- 4Lockbin vs c.Email
- 5Lockbin vs FlowCrypt
- 6Lockbin vs DataMotion Secure Email Exchange
- 7Lockbin vs Mimecast Secure Messaging
- 8Lockbin vs RMail
- 9Lockbin vs Encryptomatic OpenPGP
- 10Lockbin vs Gpg4win
- 11Lockbin vs Mailvelope
- 12Lockbin vs PDF Postman
- 13Lockbin vs Secure Message
- 14Lockbin vs Proofpoint Email DLP and Encryption
- 15Lockbin vs Send It Secure
- 16Lockbin vs Symantec IT Management Suite
- 17Lockbin vs Virtru Email Encryption
- 18Lockbin vs OpenText Core Email Encryption
- 19Lockbin vs Sophos Secure Message
- 20Lockbin vs MailHippo
- 21Lockbin vs Trustifi Outbound Shield
Lockbin alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | SecureMyEmail | 6.5 | Free plan | Free | Windows, Mac, iOS, Android |
| 3 | gpg4o | 6.4 | Free plan | €99.95/mo | Windows |
| 4 | c.Email | 6.3 | Free plan | Free | Browser |
| 5 | FlowCrypt | 6.3 | Free plan | Free | Browser |
| 6 | DataMotion Secure Email Exchange | 5.6 | No | — | Android, API, iOS, Web |
| 7 | Mimecast Secure Messaging | 5.5 | No | — | Web, Windows, Mac |
| 8 | RMail | 5.5 | No | — | Web, Windows, Mac |
| 9 | Encryptomatic OpenPGP | 5.4 | No | $2.50/mo | Windows |
| 10 | Gpg4win | 5.4 | No | — | Windows |
| 11 | Mailvelope | 5.4 | No | €3/mo | Browser, Web |
| 12 | PDF Postman | 5.4 | No | $79.99/mo | Windows |
| 13 | Secure Message | 5.4 | No | — | Web, Linux |
| 14 | Proofpoint Email DLP and Encryption | 5.3 | No | — | Android, iOS, Web, Windows |
| 15 | Send It Secure | 5.3 | No | — | — |
| 16 | Symantec IT Management Suite | 5.3 | No | — | Linux, Mac, Windows |
| 17 | Virtru Email Encryption | 5.3 | No | $119/mo | Web, Windows, Mac, iOS, Android |
| 18 | OpenText Core Email Encryption | 5.2 | No | — | — |
| 19 | Sophos Secure Message | 5.2 | No | — | — |
| 20 | MailHippo | 5.1 | No | $4.95/mo | API, Web, Windows |
| 21 | Trustifi Outbound Shield | 5.1 | No | — | API, Browser, Mac, Web, Windows |
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Questions about Lockbin alternatives
What is the best alternative to Lockbin?
SecureMyEmail, number 2 in email encryption software with a score of 6.5 out of 10. The others here: gpg4o, c.Email, FlowCrypt and 16 more.
What is the best free alternative to Lockbin?
SecureMyEmail is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.