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Best Flesch-Kincaid Readability & Grade Level Analyzer Alternatives in 2026

Updated

20 tools from readability checkers ranked against Flesch-Kincaid Readability & Grade Level Analyzer on the same published basis.

  1. 1
    Hemingway Editor Free trial MacWebWin $0.69/mo7.2
    Flesch-Kincaid Readability & Grade Level Analyzer vs Hemingway Editor
  2. 2
    Text Inspector Free plan apiWeb Free7.1
    Flesch-Kincaid Readability & Grade Level Analyzer vs Text Inspector
  3. 3
    Readability Formulas Free plan extensionMacWebWin Free7.0
    Flesch-Kincaid Readability & Grade Level Analyzer vs Readability Formulas
  4. 4
    TextGears Free plan apiWeb $2.48/mo7.0
    Flesch-Kincaid Readability & Grade Level Analyzer vs TextGears
  5. 5
    ProWritingAid Free plan extension $10/mo6.9
    Flesch-Kincaid Readability & Grade Level Analyzer vs ProWritingAid
  6. 6
    Eclipse Readability Studio Free plan LinuxMacWin Free6.8
    Flesch-Kincaid Readability & Grade Level Analyzer vs Eclipse Readability Studio
  7. 7
    ATOS Analyzer Free plan Web Free6.7
    Flesch-Kincaid Readability & Grade Level Analyzer vs ATOS Analyzer
  8. 8
    Check Readability Free plan extensionWeb Free6.7
    Flesch-Kincaid Readability & Grade Level Analyzer vs Check Readability
  9. 9
    Readability Analysis Tool (RAT) Free plan LinuxWin Free6.7
    Flesch-Kincaid Readability & Grade Level Analyzer vs Readability Analysis Tool (RAT)
  10. 10
    UsingEnglish Text Analyser Free plan Web Free6.7
    Flesch-Kincaid Readability & Grade Level Analyzer vs UsingEnglish Text Analyser
  11. 11
    ApyHub Readability Scores Documents API Free plan api $16/mo6.6
    Flesch-Kincaid Readability & Grade Level Analyzer vs ApyHub Readability Scores Documents API
  12. 12
    Botoi Readability API Free plan api $9/mo6.6
    Flesch-Kincaid Readability & Grade Level Analyzer vs Botoi Readability API
  13. 14
    Readability.ch Free plan Web Free6.6
    Flesch-Kincaid Readability & Grade Level Analyzer vs Readability.ch
  14. 15
    Slick Write Free plan extensionWeb Free6.6
    Flesch-Kincaid Readability & Grade Level Analyzer vs Slick Write
  15. 16
    StyleWriter Free trial Win $90/mo6.6
    Flesch-Kincaid Readability & Grade Level Analyzer vs StyleWriter
  16. 17
    Analyze My Writing Free plan Web Free6.5
    Flesch-Kincaid Readability & Grade Level Analyzer vs Analyze My Writing
  17. 18
    AnchorKite Readability Checker Free plan Web Free6.5
    Flesch-Kincaid Readability & Grade Level Analyzer vs AnchorKite Readability Checker
  18. 19
    Data·yze Readability Analyzer Free plan Web Free6.5
    Flesch-Kincaid Readability & Grade Level Analyzer vs Data·yze Readability Analyzer
  19. 20
    Delimiter Readability Checker Free plan Web Free6.5
    Flesch-Kincaid Readability & Grade Level Analyzer vs Delimiter Readability Checker
  20. 21
    DO101 Readability Checker Free plan Web Free6.5
    Flesch-Kincaid Readability & Grade Level Analyzer vs DO101 Readability Checker

Flesch-Kincaid Readability & Grade Level Analyzer alternatives compared

#ToolScoreFree planFromRuns on
1Hemingway Editor7.2$0.69/moMac, Web, Windows
2Text Inspector7.1Free planFreeAPI, Web
3Readability Formulas7.0Free planFreeBrowser, Mac, Web, Windows
4TextGears7.0Free plan$2.48/moAPI, Web
5ProWritingAid6.9Free plan$10/moBrowser
6Eclipse Readability Studio6.8Free planFreeLinux, Mac, Windows
7ATOS Analyzer6.7Free planFreeWeb
8Check Readability6.7Free planFreeBrowser, Web
9Readability Analysis Tool (RAT)6.7Free planFreeLinux, Windows
10UsingEnglish Text Analyser6.7Free planFreeWeb
11ApyHub Readability Scores Documents API6.6Free plan$16/moAPI
12Botoi Readability API6.6Free plan$9/moAPI
14Readability.ch6.6Free planFreeWeb
15Slick Write6.6Free planFreeBrowser, Web
16StyleWriter6.6No$90/moWindows
17Analyze My Writing6.5Free planFreeWeb
18AnchorKite Readability Checker6.5Free planFreeWeb
19Data·yze Readability Analyzer6.5Free planFreeWeb
20Delimiter Readability Checker6.5Free planFreeWeb
21DO101 Readability Checker6.5Free planFreeWeb
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Questions about Flesch-Kincaid Readability & Grade Level Analyzer alternatives

What is the best alternative to Flesch-Kincaid Readability & Grade Level Analyzer?

Hemingway Editor, number 1 in readability checkers with a score of 7.2 out of 10. The others here: Text Inspector, Readability Formulas, TextGears and 16 more.

What is the best free alternative to Flesch-Kincaid Readability & Grade Level Analyzer?

Text Inspector is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.