Best Readability Checkers in 2026
Updated
In short: Hemingway Editor is ranked #1 of 25 as of 4 October 2026, ahead of Text Inspector and Readability Formulas. The best-ranked option with a free plan is Text Inspector. The lowest first paid tier on this page is Hemingway Editor at $0.69/mo.
A readability checker can help you examine text and spot areas that may need revision. Compare readability formulas and sentence analysis to understand how each tool assesses writing, and look at clarity recommendations for the kind of feedback it offers. Language support may matter across different writing needs; a browser extension can shape how checks fit into your work, while API access may be relevant for programmatic use. Hemingway Editor, Text Inspector and Readability Formulas are among the entries. Check free-plan availability and paid-from pricing alongside the listed capabilities, then weigh which combination fits the way you review and revise text.
25 readability checkers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which readability checker is ranked first on Specifiction?
Hemingway Editor is ranked #1 of 25 with a score of 7.2. Text Inspector is second and Readability Formulas third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Hemingway Editor has the lowest first paid tier we found: $0.69/mo.
How is this list 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. Paid placements never change a rank.