Grammarly
AI Writing · Free · since 2009
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Grammarly is a aI writing assistant for grammar, clarity, tone, and style across every platform. It handles grammar, clarity, tone, and plagiarism, and it's best suited for anyone wanting ai-powered writing improvement. It has been around since 2009, giving it a 17-year head start in building out integrations and refining the product.
The free plan is free basic grammar checks — enough for most people to evaluate whether it fits.
pros
- Includes Grammar as a core feature, purpose-built for ai writing workflows
- Includes Clarity as a core feature, purpose-built for ai writing workflows
- Free basic grammar checks — generous enough for most small teams to get real work done
- Established product with 17+ years on the market and a mature ecosystem
cons
- Free plan exists but key features are locked behind the paid upgrade
- Fewer built-in features means you may need additional tools to cover gaps
- Ecosystem of third-party integrations is smaller than the market leaders in ai writing
- Mobile experience lags behind the desktop version in features and polish
top Grammarly alternatives
Copy.ai AI writing platform for marketing copy, blog posts, and sales content. Free 
Writesonic AI writing tool for articles, ads, product descriptions, and more with SEO optimization. Free 
Hemingway Writing editor that highlights complex sentences, passive voice, and readability issues. Free 
Notion AI AI assistant built into Notion for writing, summarizing, and brainstorming. $10/user/mo 
QuillBot AI paraphrasing tool with grammar checker, summarizer, and citation generator. Free Grammarly compared
Grammarly vs Copy.ai · Grammarly vs Writesonic · Grammarly vs Hemingway · Grammarly vs Notion AI · Grammarly vs QuillBot · Grammarly vs Writer · Grammarly vs Wordtune · Grammarly vs Anyword
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