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