Comet vs SeaMonkey Mail
| Comet | SeaMonkey Mail | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Open source | No | |
| Platforms | Android, iOS, macOS, Windows | Windows, macOS, Linux |
| Free plan | Yes | Yes |
| Supported platforms | both | both |
| Browser engine | chromium | gecko |
| Built-in ad blocking | Yes | |
| Extension support | chrome_store | own_store |
| Cross-device sync | Yes | |
| Open source | No | Yes |
Listed together in Best Web Browsers