Firefox Relay vs GhostRelay
| Firefox Relay | GhostRelay | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Android, extension, iOS, Web | Web |
| Free plan | Yes | Yes |
| Custom domains | No | Yes |
| Reply from alias | Yes | Yes |
| Send from alias | No | — |
| Browser extension | Yes | Yes |
| Alias limit | — | 20 aliases |
| Mobile apps | — | none |
Both are listed in Best Email Alias Services. On Specifiction, Firefox Relay scores higher on our published basis.