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