Overview
Grammarly is an AI-powered writing assistant that helps you write mistake-free in Gmail, Facebook, Twitter, LinkedIn, and any other app you use. Beyond grammar and spelling, it provides style, tone, and clarity suggestions to improve your communication.
The honest half
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Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
ProWritingAid: Comprehensive grammar and style checking with detailed writing reports and customizable grammar rules, similar professional writing analysis but with deeper manuscript-level feedback.
Hemingway Editor: Focuses on readability and clarity of writing, good for short-form content and teaching clear writing without the full AI rewriting features.
LanguageTool: Open-source grammar checker with multilingual support and browser extension, offering free tier alternative for basic grammar and punctuation checking.
Pricing
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
Pro
$12 /mo
Capabilities
Grammar checking
Grammar checking capability
Spelling correction
Spelling correction capability
Punctuation
Punctuation capability
Clarity suggestions
Clarity suggestions capability
Engagement feedback
Engagement feedback capability
Delivery insights
Delivery insights capability
Plagiarism checker
Plagiarism checker capability
Citation generator
Citation generator capability
Chrome
Integration with Chrome
Safari
Integration with Safari
Firefox
Integration with Firefox
Edge
Integration with Edge
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
Yes, Grammarly offers a free tier with basic spelling, grammar, and punctuation checks, tone visibility, and 100 AI prompts per month. The Pro plan ($12/month annual) adds sentence rewriting, plagiarism detection, and 2,000 AI prompts.
SourceGrammarly works across 1 million+ apps including Google Docs, Microsoft Word, Outlook, Slack, Gmail, and web browsers. It also integrates with productivity tools like Asana, Jira, Monday.com, Confluence, and HubSpot.
SourceGrammarly requires an internet connection to function, though the browser extension works with some offline text areas. For offline use, the desktop app and browser extensions sync when reconnected.
SourceThe Enterprise plan includes unlimited team members, dedicated support, custom roles and permissions, data loss prevention, bring-your-own-key encryption, and unlimited AI prompts. Pricing is custom and available by contacting sales.
SourceBehind it
Timeline
$1B non-dilutive growth financing from General Catalyst
SourceAcquisition of Coda
SourceSeries D of $200M at $13B valuation
SourceSeries C of $90M
SourceSeries B of $110M led by General Catalyst
SourceGrammarly founded by Max Lytvyn, Alex Shevchenko, and Dmytro Lider
SourceKeep looking
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Softwr does not host reviews and shows no star rating for Grammarly, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
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