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Best Readability Formulas Alternatives in 2026

12 platforms from readability checkers ranked against Readability Formulas on the same published basis.

  1. 1
    TextGears Free plan apiWeb $2.48/mo7.3
    Readability Formulas vs TextGears
  2. 2
    Text Inspector Free plan apiWeb Free7.2
    Readability Formulas vs Text Inspector
  3. 3
    Readable Free trial apiWeb $12/mo6.6
    Readability Formulas vs Readable
  4. 4
    ProWritingAid Free plan extension $10/mo6.0
    Readability Formulas vs ProWritingAid
  5. 5
    Hemingway Editor Free trial MacWebWin $0.69/mo5.9
    Readability Formulas vs Hemingway Editor
  6. 6
    AnchorKite Readability Checker Free plan Web Free5.8
    Readability Formulas vs AnchorKite Readability Checker
  7. 7
    Check Readability Free plan extensionWeb Free5.8
    Readability Formulas vs Check Readability
  8. 9
    ApyHub Readability Scores Documents API 5.5
    Readability Formulas vs ApyHub Readability Scores Documents API
  9. 10
    Botoi Readability API 5.5
    Readability Formulas vs Botoi Readability API
  10. 11
    Readability Analysis Tool (RAT) WinLinux 5.5
    Readability Formulas vs Readability Analysis Tool (RAT)
  11. 12
    Slick Write Free plan Web Free5.5
    Readability Formulas vs Slick Write
  12. 13
    ATOS Analyzer Web 5.4
    Readability Formulas vs ATOS Analyzer
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