33Mail vs GridInbox
| 33Mail | GridInbox | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | $19/mo |
| Open source | No | No |
| Platforms | Web | api, Web |
| Free plan | Yes | Yes |
| Paid from | 1 /mo | 19 /mo |
| Custom domains | Yes | Yes |
| Reply from alias | Yes | Yes |
| Send from alias | No | Yes |
| Browser extension | Yes | — |
Both are listed in Best Email Alias Services. On Inferse, GridInbox scores higher on our published basis.