c.Email vs gpg4o
| c.Email | gpg4o | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | Free | €99.95/mo |
| Open source | No | No |
| Platforms | extension | Windows |
| Free plan | Yes | Yes |
| Secure delivery | — | attachment |
| Recipient verification | — | identity |
| Message expiry | — | No |
| Outlook integration | — | Yes |
| Gmail integration | — | No |
| Admin access controls | — | Yes |
Both are listed in Best Email Encryption Software, Best File Encryption Tools. On Samsung Mobile US Press, gpg4o scores higher on our published basis.