Grammarly vs ProWritingAid compared on grammar checking, style reports, pricing, and integrations — plus our verdict.
Grammarly and ProWritingAid are the two leading AI writing assistants for grammar, clarity, and style. Grammarly is the household name with unmatched integrations; ProWritingAid is the writer’s favorite with deep, detailed style analysis. This comparison helps you pick the right one for how you write.
| Feature | Grammarly | ProWritingAid |
|---|---|---|
| Free tier | Yes — grammar and spelling checks | Yes — limited reports |
| Paid plan | From $12/month (annual billing) | From $10/month (annual billing) |
| Grammar accuracy | Excellent — best-in-class suggestions | Very good — occasionally more conservative |
| Style analysis | Good — tone, clarity, and conciseness checks | Excellent — 20+ in-depth reports on pacing, repetition, readability |
| Integrations | Superb — browser, Word, Gmail, mobile keyboard, 500k+ apps | Good — Word, Scrivener, browser; fewer apps |
| Plagiarism checker | Included on premium plans | Included on premium plans |
| Generative AI help | Built-in — rewriting, ideation, email drafts | Basic AI rewriting features |
| Best for | Professionals and students who write everywhere | Authors, bloggers, and anyone polishing long manuscripts |
Grammarly wins on convenience — if you want one tool that quietly improves everything you type across email, docs, and the web, it is the clear choice. ProWritingAid wins on depth — novelists, bloggers, and editors get far more detailed feedback on style and structure, at a slightly lower price. Many serious writers use both: Grammarly for daily writing, ProWritingAid for final manuscript passes.
