Firefox Relay vs GridInbox
| Firefox Relay | GridInbox | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | Free | $19/mo |
| Open source | No | No |
| Platforms | Android, extension, iOS, Web | api, Web |
| Free plan | Yes | Yes |
| Custom domains | No | Yes |
| Reply from alias | Yes | Yes |
| Send from alias | No | Yes |
| Browser extension | Yes | — |
| Paid from | — | 19 /mo |
Both are listed in Best Email Alias Services. On Everything Xiaomi, Firefox Relay scores higher on our published basis.