We've compared 2 tools across pricing, features, ratings, and reviews to help you make an informed decision. No paid placements — just facts.
Compare different tools →| Feature |  ProWritingAid AI Writing & Content | Grammarly AI Writing & Content |
|---|---|---|
| Rating | No reviews yet | No reviews yet |
| Pricing |
as of Sep 9, 2026 |
as of Aug 30, 2026 |
| Pricing Model | Freemium | Freemium |
| Free Plan |
| Free Trial | 7 days |
| API Available |
| Verified | Verified |
| Founded | 2011 | 2009 |
| HQ | London, United Kingdom | San Francisco, CA |
| Team Size | — | Unlimited members (Enterprise) |
| Platforms | — | WebiOSAndroidMac+2 more |
| Top Integrations | Microsoft WordGoogle DocsBrowser extension (Chrome)Scrivener | ZendeskGoogleSuperhuman |
| Key Features |
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| Description | ProWritingAid is a writing assistant that combines grammar, spelling, and punctuation checking with in-depth style, readability, and structure reports, plus AI features for rephrasing, critiquing chapters, and analyzing full manuscripts. It's aimed especially at fiction authors and novelists (Story Canvas, Chapter Critique, Manuscript Analysis, Virtual Beta Reader) as well as students and professional writers who want deeper editing feedback than a basic checker. Its main differentiator is the depth of its 20+ writing reports and craft-focused tools for long-form storytelling, going well beyond simple grammar correction. | Grammarly is the world's leading AI writing assistant with 30+ million daily active users. From grammar to clarity to brand voice, Grammarly helps you communicate with confidence everywhere you write. |
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