Readability Formulas
6.3#14 in ai readability checkersFree planFree planWebExtensionmacOSWindows
VisitReadability Formulas vs Text Inspector
Text Inspector
7.4#1 in ai readability checkersFrom £9.96 a monthFree planWebAPI
VisitWhat both publish
| Fact | Readability Formulas | Text Inspector |
|---|---|---|
| Founded | 1996 | 2011 |
| Intended users | The site names writers and editors, educators, marketing professionals, healthcare providers, and government agencies as users who may benefit. | The maker describes the tool as useful for language professionals, academics and students, including preparing teaching materials, tests and evaluating student work. |
| Purpose | The site offers free tools to score text and identify the reading and grade levels readers need to understand it. | Text Inspector analyses English texts and reports difficulty, readability, lexical diversity and CEFR levels. |
Readability Formulas plans
- Free online readability toolsFree
Text Inspector plans
- FreeFree
- Standard£9.96 a month
- Organisation£59.76 a month
- Developer API£360 a year
- API access—
Pick Readability Formulas if…
It may suit writers, editors, educators, marketing professionals, healthcare providers, and government agencies that need to assess text readability. The browser extension is relevant to people scoring text on websites.
Pick Text Inspector if…
Text Inspector suits language professionals, academics, and students analyzing English writing or preparing teaching materials and tests. Its API may suit organizations that want to add its analysis and scoring to their own tools.