Oanor Readability API vs Readable

Oanor Readability API

Figure	Oanor Readability API	Readable
Price from	€6.80/mo	$12/mo
Free plan	Yes	—
Free trial	—	Yes
Open source	—	—
Web	—	Yes
API	Yes	Yes
Plans published	4	3
Spec score · AI Readability Checkers	7.8 (#15)	8.4 (#2)
Purpose	The API scores text with six readability formulas: Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, Coleman-Liau and Automated Readability Index.	Readable is an online toolkit for analyzing and improving writing readability and quality.
Security and privacy	The product FAQ says requests pass through an EU-based gateway, the upstream API key stays on the server, and no personal data is shared with the upstream provider beyond the request sent.	Readable says uploaded data belongs to the customer, can be deleted after scoring, and that it does not share content with AI or LLM systems.
Support	The page offers private one-to-one support tickets, and plan descriptions include email support for Starter, priority support for Pro and a dedicated SLA for Mega.	Readable advertises an extensive knowledge base plus in-app and email support.

Oanor Readability API has no write-up on Specifiction yet; its figures are above.

Readable has no write-up on Specifiction yet; its figures are above.