Readability Analysis Tool (RAT)
6.1#17 in readability checkersFree planFree planLinuxWindows
Visit
| Fact | Readability Analysis Tool (RAT) | Readable |
|---|---|---|
| Founded | 2005 | LinkedIn lists Readable as founded in 2016. |
| Headquarters | Munich, Germany | Hassocks, West Sussex, United Kingdom |
| Notable limits | The project documentation lists German rules and .docx input, and describes command-line execution rather than a hosted web interface. | API access is listed for AgencyPro, and only AgencyPro includes a stated monthly API allowance. |
| Purpose | RAT detects readability anomalies in text based on readability rules, similar to bug patterns in static code analysis. | Readable is an online toolkit for analyzing and improving writing readability and quality. |
| Readability formulas | The documented formulas are Flesch and Wiener Sachtextformel. | The service includes formulas such as Flesch, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, ARI, FORCAST, Fry, Raygor, CEFR and IELTS. |
RAT suits people who work with German .docx text and want rule-based readability checks, annotations, and an HTML report. It is a command-line tool rather than a hosted web interface.
Readable suits authors, marketers, educators, lawyers and others who want to assess or improve writing. Teams needing API access should note that it is listed for AgencyPro, with a stated monthly allowance only on that plan.