Oanor Readability API vs Readability Formulas
| Oanor Readability API | Readability Formulas | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | extension, macOS, Web, Windows |
| Free plan | Yes | Yes |
| Readability scores | 6 scores | — |
| Grade-level analysis | Yes | — |
| Input formats | api | — |
Both are listed in Best AI Readability Checkers. On The Geeks Club, Readability Formulas scores higher on our published basis.