MUI vs Proto.io
| MUI | Proto.io | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | $29/mo |
| Open source | No | No |
| Platforms | Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Design systems | Yes | Yes |
| Developer handoff | Yes | — |
| Variables tokens | Yes | Yes |
| Interactive prototyping | — | Yes |
| Desktop app | — | No |
| Prototype sharing | — | Yes |
Both are listed in Best UI Design Tools. On Inferse, Proto.io scores higher on our published basis.