Grammar checking (15)
Grammarly
Grammarly is an AI writing assistant that checks grammar, spelling, tone and clarity wherever you type, free to start and $12 per month on Pro.
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Starting price Free; Pro $12/month
Tool Information
Grammarly is an AI writing assistant that checks grammar, spelling, punctuation, tone and clarity as you write, through a browser extension, desktop and mobile apps and editor integrations. Paid plans add AI rewriting, plagiarism and AI text detection.Who it suits: students, professionals, non-native English writers and teams who want consistent, error-free English across email, documents and web forms.Pricing (per Costbench, verified July 2026): Free is $0 with 100 AI prompts per month and basic grammar, spelling and tone checks. Pro is $12 per month ($144 per year billed annually) with 2,000 AI prompts per month, plagiarism and AI text detection, and full-sentence rewrites. Enterprise is quote-based. Costbench notes a reported promotional price that renewed at the full rate, and plans renew automatically.Things to know: it works mainly in English, free checks are limited and some pricing details on third-party pages conflict, so confirm on Grammarly.Last verified: November 2026.
F.A.Q (20)
Grammarly is an AI writing assistant that checks grammar, spelling, tone and clarity and can rewrite text, in browsers, apps and editors.
Yes. The free plan includes basic grammar, spelling and tone checks and 100 AI prompts per month, per Costbench (July 2026).
Pro is $12 per month, or $144 per year billed annually, per Costbench. Enterprise is quote-based. Confirm on Grammarly.
Plagiarism and AI text detection are included on Pro, not on the free plan.
Yes. Costbench notes plans renew automatically and promo prices can renew at the standard rate, so check the renewal date.
Students, professionals and non-native English writers who want clean English everywhere. For paraphrasing see QuillBot.
Grammarly is compatible with Windows, Mac, iOS, and Android platforms. It can be downloaded and used on desktop, mobile, and as a browser extension.
Grammarly assists students by improving their writing skills. It encourages clear, concise writing and corrects errors in real-time. It also includes a plagiarism detection feature to ensure originality.
Yes, Grammarly offers solutions for businesses. It helps improve team communication, reduce time spent proofreading, and ensures brand consistency by aligning company-wide communications to a specific writing style.
Grammarly identifies errors in grammar, spelling, punctuation, and even style and tone. It also assists with content clarity and brevity, ensuring the written content is concise and effective.
Grammarly personalizes AI writing guidance by utilizing machine learning algorithms to understand the context, style, and purpose of the text. It then provides tailored suggestions to help the writer effectively communicate their ideas.
Yes, Grammarly does have a mobile app. It's available for both iOS and Android devices, providing writing assistance on-the-go.
Grammarly prioritizes user privacy and data protection. The company doesn't sell user data, use it for advertising, or provide it to third parties for training their AI models, ensuring your writing remains confidential.
Grammarly's features for businesses include real-time writing feedback, style guides, and plagiarism detection. It also provides a clearer understanding of the tone of the content, enabling businesses to maintain a consistent brand voice across all communications.
Yes, Grammarly offers both a free version and a premium subscription. The premium plan includes advanced features such as stylistic suggestions, readability scores, and genre-specific writing style checks.
Grammarly provides a range of resources designed to improve writing skills. It features several blogs, including a tech blog, an education blog, and a business blog that offer tips, insights, and advice on effective writing.
Yes, Grammarly offers a citation generator which can check for citation errors. It helps to ensure that references are correctly cited, adhering to proper academic or professional standards.
Grammarly enhances clarity and tone in writing by providing real-time, contextual suggestions. It understands the context of the content and gives suggestions to make the text more concise, clear, and impactful, ensuring the tone aligns with the writer's intention.
Yes, you can use Grammarly within your current writing applications. It integrates with a vast array of apps and websites, removing the necessity of context switching.
Yes, Grammarly offers paraphrasing tools. These assist in finding alternative ways to express the same idea, ensuring the original message is maintained while adding variety to the text.
Pros and Cons
Pros
- Works across browsers and apps and editors
- Free plan with grammar and tone checks
- Pro adds AI rewrites and plagiarism check
- Style guide and brand tone on Pro
- Enterprise controls for teams
Cons
- Mainly focused on English
- Free plan limited to 100 AI prompts
- Promo prices can renew at the full rate
- Plans renew automatically
- Rewrites still need human review
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