Check Readability vs DO101 Readability Checker
| Check Readability | DO101 Readability Checker | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | extension, Web | Web |
| Free plan | Yes | Yes |
| Readability formulas | 9 formulas | 6 formulas |
| Sentence analysis | Yes | Yes |
| Clarity recommendations | Yes | — |
| Browser extension | Yes | — |
| Language support | english | english |
Both are listed in Best Readability Checkers. On Samsung Mobile US Press, Check Readability scores higher on our published basis.