What is Grammar Check?
One-click grammar, spelling and punctuation fixes, free.
Who is Grammar Check best for?
Grammar Check is best for students and non-native English writers who want one-click grammar and spelling fixes.
Students proofreading essays
Paste or upload an assignment and fix every flagged error with one click before you hand it in.
Non-native English writers
It catches run-on sentences, agreement errors and misplaced apostrophes, and handles US, UK, Canadian and Australian English.
Bloggers on a small budget
The grammar checker works without an account, and Pro removes the credit limit on grammar checks for $7 a month.
Writers who need more than grammar
The same credits pay for paraphrasing, summaries, plagiarism checks and AI detection.
How much does Grammar Check cost?
Grammar Check is free with 5,000 credits, and its paid plans cost $4 a month for Lite or $7 a month for Pro, or $30 and $48 a year.
- 5,000 credits
- Up to 650 words per check
- Shows ads and captchas
- 40,000 credits
- Up to 2,000 words per check
- History, AI rewriting, no ads or captchas
- Unlimited grammar, punctuation, paraphrasing and summaries
- 80,000 credits for plagiarism checks, AI detection and the AI Humanizer
- Up to 6,000 words per check
Billed yearly, Lite is $30 a year ($2.50 a month) with 480,000 credits, and Pro is $48 a year ($4 a month) with 960,000 credits for the credit-based tools. Grammar, punctuation, paraphrasing and summaries cost 1 credit a word, plagiarism and AI checks 3, and the AI Humanizer 5. Guests can check text without an account, up to 3 checks a minute. API access has its own plans, and there is no free trial. Full pricing on grammarcheck.ai. We checked these prices on .
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What are the best Grammar Check alternatives?
One tool on Recaply does Grammar Check's job. It is open source, so you can run it on your own server.
Questions about Grammar Check
What is Grammar Check?
One-click grammar, spelling and punctuation fixes, free.
Who is Grammar Check for?
Grammar Check is best for students and non-native English writers who want one-click grammar and spelling fixes.
Is Grammar Check free?
Yes. Grammar Check's free plan gives 5,000 credits with up to 650 words per check, and guests can run grammar checks without signing up. There is no free trial of the paid plans; Lite costs $4 a month and Pro $7 a month.
How much does Grammar Check cost?
Grammar Check's paid plans are Lite at $4 per month and Pro at $7 per month.
Is there an open source alternative to Grammar Check?
Yes. Harper is an open source tool that does the same job, so you can run your own.
What are the best Grammar Check alternatives?
The closest alternatives on Recaply are Harper.
Where can I try Grammar Check?
On its official website, grammarcheck.ai.
How do Grammar Check credits work?
Each Grammar Check tool charges credits per word: grammar, punctuation, paraphrasing and summaries cost 1 credit a word, plagiarism and AI checks cost 3, and the AI Humanizer costs 5. On Pro, grammar, punctuation, paraphrasing and summaries are unlimited.







