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DO101 Readability Checker vs TextGears

DO101 Readability Checker

do101.online

TextGears

textgears.com

Side by side

FigureDO101 Readability CheckerTextGears
Price fromFree$2.48/mo
Free planYesYes
Free trial—Yes
Open source——
WebYesYes
API—Yes
Self-hosted—Yes
Plans published16
Spec score · Readability Checkers8.4 (#6)8.6 (#3)
SupportSupport is handled through a Gmail address with best-effort replies from a small project rather than a staffed help desk.Support is offered in English and Russian, and the support page says 96% of requests are answered within 24 hours.
What it doesDO101 Readability Checker evaluates English text with six established readability formulas and sentence-rhythm analysis.TextGears analyzes text to find spelling, grammar, and stylistic errors and check readability.

Plans

DO101 Readability Checker

  • FreeFree

DO101 Readability Checker pricing →

TextGears

  • PRO$2.48 a month
  • FreeFree
  • Silver$29.95 a month
  • Gold$99.95 a month
  • FreeFree
  • PlatinumPriced on request

TextGears pricing →

In their own words

DO101 Readability Checker

DO101 Readability Checker has no write-up on Specifiction yet; its figures are above.

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TextGears

TextGears checks writing for spelling, grammar, style, and readability, through its website and API. The API also provides autocorrection, text analysis, language detection, summarization, and keyword extraction, returning JSON through HTTP or HTTPS requests. Its documentation lists 11 languages, including English, French, German, Portuguese, Russian, Italian, Arabic, Spanish, Japanese, Chinese, and Greek, as well as dialect codes such as en-US, en-GB, and pt-BR. A Postman collection and JavaScript library link are available for integration. Free access includes 500 requests per month, 200k characters per month, and a 4k-character request limit. PRO costs $2.48 a month and includes unlimited checks, translations, and paraphrases of long texts, custom dictionary rules, and an option not to store texts. TextGears says AI does not support every language and recommends standard plans when language breadth matters more than AI analysis quality. Readability metrics are recommended for texts of at least 30 words. The maker is headquartered in Tallinn, Estonia.

Visit textgears.com