MockFlow vs Overflow
| MockFlow | Overflow | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | €19.95/mo |
| Open source | No | No |
| Platforms | extension, macOS, Web, Windows | macOS, Web, Windows |
| Free plan | Yes | No |
| Design systems | Yes | — |
Both are listed in Best Web Design Software. On Specifiction, MockFlow scores higher on our published basis.