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Flesch-Kincaid Readability & Grade Level Analyzer vs ProWritingAid

Flesch-Kincaid Readability & Grade Level Analyzer

veomark.com

ProWritingAid

prowritingaid.com

Side by side

FigureFlesch-Kincaid Readability & Grade Level AnalyzerProWritingAid
Price fromFree$10/mo
Free planYesYes
Free trial——
Open source——
WebYes—
Plans published113
Spec score · Readability Checkers7.4 (#21)8.5 (#4)
IntegrationsThe calculator page lists no integrations.Listed integrations include Google Docs and Microsoft Office, plus a desktop editor.

Plans

Flesch-Kincaid Readability & Grade Level Analyzer

  • FreeFree

Flesch-Kincaid Readability & Grade Level Analyzer pricing →

ProWritingAid

  • FreeFree
  • Premium$30 a month
  • Premium Pro$36 a month
  • Premium$120 a year
  • Premium Pro$144 a year
  • Premium$399, paid once
  • Premium Pro$699, paid once
  • Premium LifetimePrice not published
  • Premium MonthlyPrice not published
  • Premium Pro LifetimePrice not published

ProWritingAid pricing →

In their own words

Flesch-Kincaid Readability & Grade Level Analyzer

Flesch-Kincaid Readability & Grade Level Analyzer is a free web calculator for estimating how readable English text may be. It calculates Flesch reading ease and Flesch-Kincaid grade level from sentence, word, and syllable counts. Results include both scores alongside the word, sentence, and estimated syllable counts, with a button to copy them. The page also offers sentence analysis and clarity recommendations, framing its scores as a quick, rough proxy and suggesting shorter sentences and more common words as ways to improve them.

Syllables are estimated by counting vowel groups rather than looking up pronunciations, so silent vowels, unusual spellings, and non-standard pronunciations can throw off the count. The formulas address sentence length and syllable mechanics; they do not assess logic, jargon, tone, or overall clarity. No account is required. Veomark says most of its tools run in the browser and core inputs are not uploaded to its servers, though Google Analytics 4 may use cookies or similar technologies. The calculator lists no integrations. Its plan is free. For privacy questions, Veomark directs visitors to contact the domain registrar or hosting account holder listed for veomark.com.

Visit veomark.com

ProWritingAid

ProWritingAid provides grammar and style suggestions through browser extensions and a desktop editor. It works with Word, Google Docs, Scrivener, Chrome, Firefox, and Edge, and browser extensions are available for Chrome, Firefox, and Edge. The free account handles 500 words at a time and includes two line-editing runs, ten rephrases, three Sparks, and three Creative Nudges per day. Premium and Premium Pro support documents of any length. Premium includes document sharing, real-time comments, and more than 25 writing analysis reports. Its plagiarism checker compares work against webpages, published works, and academic papers. The product supports English only, including general, British, US, Australian, and Canadian English. ProWritingAid says text entered into its editor is not kept on processing servers, is encrypted during processing, and is not used to train algorithms. The free plan is available; listed paid plans include Premium at $30 a month and Premium Pro at $36 a month, both billed monthly.

Visit prowritingaid.com