Readability Formulas comparisons

Freemium#5 of 25 in Readability CheckersAI Readability Checkers

Readability Formulas is compared head-to-head with Eclipse Readability Studio, Readable and Check Readability and more: 7 head-to-heads in Readability Checkers, each with the specs and prices we checked.

8.6/10★★★★☆Editor score

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Readability Formulas8.6 Visit site

Readability Formulas head-to-head

• Readability Formulas vs Eclipse Readability Studio
• Readability Formulas vs Readable
• Readability Formulas vs Check Readability
• Readability Formulas vs ProWritingAid
• TIReadability Formulas vs Text Inspector
• SWReadability Formulas vs Slick Write
• Readability Formulas vs ApyHub Readability Scores Documents API

Readability Formulas vs each of them

#	Tool	Free plan	Paid from	Readability formulas	Sentence analysis	Clarity recommendations	Browser extension	Score
5	Readability Formulas	Yes			Yes	Yes	Yes	8.6
1	Eclipse Readability Studio	Yes	Free			Yes		9.4
2	Readable	No	$12/mo	17 formulas	Yes	Yes		9.2
3	Check Readability	Yes	Free	9 formulas	Yes	Yes	Yes	9.0
4	ProWritingAid	Yes	$120/yr				Yes	8.8
6	TIText Inspector	Yes		3 formulas	Yes	Yes		8.4
7	SWSlick Write	Yes	Free				Yes	8.2
8	ApyHub Readability Scores Documents API	Yes	$16/mo	2 formulas	Yes			7.8

Compare Readability Formulas with any readability checker

These are the matchups our editors wrote up. The compare tool pairs Readability Formulas with any other product in Readability Checkers — and up to four at once — from the same checked specs.

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Our full Readability Formulas verdict, pricing and fact sheet →

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Compared by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 10 Oct 2026 · How we research and update