Best ReadabilityTool Alternatives in 2026

20 apps from readability checkers ranked against ReadabilityTool on the same published basis.

  1. 1ReadabilityTool vs Readability Formulas
  2. 2ReadabilityTool vs ProWritingAid
  3. 3ReadabilityTool vs TextGears
  4. 4ReadabilityTool vs AnchorKite Readability Checker
  5. 5ReadabilityTool vs Check Readability
  6. 6ReadabilityTool vs Delimiter Readability Checker
  7. 7ReadabilityTool vs Text Inspector
  8. 8ReadabilityTool vs Slick Write
  9. 9ReadabilityTool vs Hemingway Editor
  10. 10ReadabilityTool vs Eclipse Readability Studio
  11. 11ReadabilityTool vs Readability Analysis Tool (RAT)
  12. 12ReadabilityTool vs Analyze My Writing
  13. 13ReadabilityTool vs ApyHub Readability Scores Documents API
  14. 14ReadabilityTool vs ATOS Analyzer
  15. 15ReadabilityTool vs Botoi Readability API
  16. 16ReadabilityTool vs Data·yze Readability Analyzer
  17. 17ReadabilityTool vs DO101 Readability Checker
  18. 18ReadabilityTool vs Flesch-Kincaid Calculator
  19. 19ReadabilityTool vs Flesch-Kincaid Readability & Grade Level Analyzer
  20. 20ReadabilityTool vs Readability.ch

ReadabilityTool alternatives compared

#AppScoreFree planFromRuns on
1Readability Formulas6.5Free planFreeBrowser, Mac, Web, Windows
2ProWritingAid6.4Free plan$10/moBrowser
3TextGears6.4Free plan$2.48/moAPI, Web
4AnchorKite Readability Checker6.3Free planFreeWeb
5Check Readability6.3Free planFreeBrowser, Web
6Delimiter Readability Checker6.3Free planFreeWeb
7Text Inspector6.3Free planFreeAPI, Web
8Slick Write6.2Free planFreeWeb
9Hemingway Editor5.6No$0.69/moMac, Web, Windows
10Eclipse Readability Studio5.2No—Windows, Mac, Linux
11Readability Analysis Tool (RAT)5.2No—Windows, Linux
12Analyze My Writing5.1No—Web
13ApyHub Readability Scores Documents API5.1No——
14ATOS Analyzer5.1No—Web
15Botoi Readability API5.1No——
16Data·yze Readability Analyzer5.1Free planFreeWeb
17DO101 Readability Checker5.1No—Web
18Flesch-Kincaid Calculator5.1No—Web
19Flesch-Kincaid Readability & Grade Level Analyzer5.1No—Web
20Readability.ch5.1No—Web
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Questions about ReadabilityTool alternatives

What is the best alternative to ReadabilityTool?

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 ReadabilityTool?

Readability Formulas is the best-ranked alternative with a free plan. 9 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.