GrammarPro

7.3easy start · #38of 88
in Grammar checkers

Free to practise onyes
Well documentedyes
Runs where you workno

Runs on Web. Paid plans from $5/mo.

GrammarPro is ranked #38 of 88 in grammar checkers on The Geeks Club. It runs on Web. There is a free plan. Paid plans start at $5/mo.

GrammarPro plans and pricing

All plans

Free Free forever 3 grammar checks/day without an account · 5/day signed in · 500-word limit · all 6 checking modes grammarpro.ai · 8 Oct 2026

Pro Monthly $7.99/mo monthly Unlimited grammar checks · 5,000-word limit · all 6 checking modes · priority processing · cancel anytime grammarpro.ai · 8 Oct 2026

Pro Annual $59.99/yr yearly Unlimited grammar checks · 5,000-word limit · all 6 checking modes · priority processing · cancel anytime · save 37% vs monthly grammarpro.ai · 8 Oct 2026

Compared on grammar checkers

Free plan: Yes
Browser extension: No
Desktop app: No
Mobile app: No
Style suggestions: Yes
Tone detection: Yes

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The record

Purpose: GrammarPro checks and corrects grammar, spelling, punctuation, and writing style with AI.
Languages: The homepage says it supports more than 30 languages, while the About page lists English, Spanish, French, German, Portuguese, Chinese, and Japanese.
Checking modes: It offers Grammar, Spelling, Punctuation, Clarity, Formal Tone, and Concise Writing modes.
AI engine: The About page says GrammarPro is powered by GPT-4o-mini.
Corrections: The homepage says corrections stream word by word in real time and include explanations for suggested changes.
Limits: The homepage says free use is limited to 500 words per request and Pro to 5,000 words; pricing lists three daily free checks without an account and five when signed in.
Privacy: GrammarPro says it does not store submitted text after processing, but sends text to OpenAI's API and recommends not submitting sensitive personal information.
Security: Its privacy policy says it uses reasonable security measures and that internet transmission is not completely secure.
Integrations: The privacy policy identifies OpenAI's API as a third-party service used to process text.
Supported environment: GrammarPro says it works in the browser on any device and requires no installation or download.
Intended users: The About page identifies students, professionals, non-native English speakers, writers, and bloggers as intended users.
Support: The About page provides [email protected] for questions or feedback and the privacy policy provides [email protected] for privacy questions.
Price from: $5/mo

Where it ranks on The Geeks Club

Best Grammar Checkers in 2026#38 of 88

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Sources

grammarpro.ai· checked 8 Oct 2026
grammarpro.ai/about· checked 8 Oct 2026
grammarpro.ai/pricing· checked 8 Oct 2026
grammarpro.ai/privacy-policy· checked 8 Oct 2026