Readability vs VT Writer
| Readability | VT Writer | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Linux, self-hosted, Web, Windows |
| Grade-level analysis | Yes | Yes |
| Sentence complexity | Yes | Yes |
| Plain-language rewrites | No | Yes |
| Accessibility guidance | No | — |
| Input formats | document | document |
| Free plan | — | No |
Both are listed in Best AI Readability Checkers. On Specifiction, Readability scores higher on our published basis.