Best Readability Analysis Tool (RAT) Alternatives in 2026
Updated
20 apps from readability checkers ranked against Readability Analysis Tool (RAT) on the same published basis.
- 1Readability Analysis Tool (RAT) vs Readability Formulas
- 2Readability Analysis Tool (RAT) vs ProWritingAid
- 3Readability Analysis Tool (RAT) vs TextGears
- 4Readability Analysis Tool (RAT) vs AnchorKite Readability Checker
- 5Readability Analysis Tool (RAT) vs Check Readability
- 6Readability Analysis Tool (RAT) vs Data·yze Readability Analyzer
- 7Readability Analysis Tool (RAT) vs Delimiter Readability Checker
- 8Readability Analysis Tool (RAT) vs ReadabilityTool
- 9Readability Analysis Tool (RAT) vs Text Inspector
- 10Readability Analysis Tool (RAT) vs Slick Write
- 11Readability Analysis Tool (RAT) vs Hemingway Editor
- 12Readability Analysis Tool (RAT) vs Eclipse Readability Studio
- 14Readability Analysis Tool (RAT) vs Analyze My Writing
- 15Readability Analysis Tool (RAT) vs ApyHub Readability Scores Documents API
- 16Readability Analysis Tool (RAT) vs ATOS Analyzer
- 17Readability Analysis Tool (RAT) vs Botoi Readability API
- 18Readability Analysis Tool (RAT) vs DO101 Readability Checker
- 19Readability Analysis Tool (RAT) vs Flesch-Kincaid Calculator
- 20Readability Analysis Tool (RAT) vs Flesch-Kincaid Readability & Grade Level Analyzer
- 21Readability Analysis Tool (RAT) vs Readability.ch
Readability Analysis Tool (RAT) alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Readability Formulas | 6.5 | Free plan | Free | Browser, Mac, Web, Windows |
| 2 | ProWritingAid | 6.4 | Free plan | $10/mo | Browser |
| 3 | TextGears | 6.4 | Free plan | $2.48/mo | API, Web |
| 4 | AnchorKite Readability Checker | 6.3 | Free plan | Free | Web |
| 5 | Check Readability | 6.3 | Free plan | Free | Browser, Web |
| 6 | Data·yze Readability Analyzer | 6.3 | Free plan | Free | Web |
| 7 | Delimiter Readability Checker | 6.3 | Free plan | Free | Web |
| 8 | ReadabilityTool | 6.3 | Free plan | Free | Web |
| 9 | Text Inspector | 6.3 | Free plan | Free | API, Web |
| 10 | Slick Write | 6.2 | Free plan | Free | Web |
| 11 | Hemingway Editor | 5.6 | No | $0.69/mo | Mac, Web, Windows |
| 12 | Eclipse Readability Studio | 5.2 | No | — | Windows, Mac, Linux |
| 14 | Analyze My Writing | 5.1 | No | — | Web |
| 15 | ApyHub Readability Scores Documents API | 5.1 | No | — | — |
| 16 | ATOS Analyzer | 5.1 | No | — | Web |
| 17 | Botoi Readability API | 5.1 | No | — | — |
| 18 | DO101 Readability Checker | 5.1 | No | — | Web |
| 19 | Flesch-Kincaid Calculator | 5.1 | No | — | Web |
| 20 | Flesch-Kincaid Readability & Grade Level Analyzer | 5.1 | No | — | Web |
| 21 | Readability.ch | 5.1 | No | — | Web |
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Questions about Readability Analysis Tool (RAT) alternatives
What is the best alternative to Readability Analysis Tool (RAT)?
Readability Formulas, number 1 in readability checkers with a score of 6.5 out of 10. The others here: ProWritingAid, TextGears, AnchorKite Readability Checker and 16 more.
What is the best free alternative to Readability Analysis Tool (RAT)?
Readability Formulas is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.