ProWritingAid review
7.7/10★★★★★Grammar checker and manuscript editor with 25+ writing reports and AI chapter critiques
- Best for
- Novelists and long-form writers who want deep editing reports, not just error fixes
- Price
- Freemium · from $10/month
Free: Line-editing reports on up to 500 words, 10 rephrases and 3 Sparks a day - Platforms
- Web, Desktop app, Chrome extension, Microsoft Word, Google Docs, Other
- Made by
- ProWritingAid (Orpheus Technology Ltd), London, UK · since 2013
What it is
ProWritingAid combines grammar and style checking with more than 25 in-depth reports on things like pacing, repetition, dialogue and sentence variety. Its AI tools include rephrasing, Sparks for creative suggestions and Chapter Critique for story-level feedback. It is built mainly for novelists and long-form writers, and the company remains independent and not VC-funded.
Latest: ProWritingAid raised Premium to $120 a year in 2026 and added a Premium Pro tier.
What the AI does
- Rephrase tool
- Sparks creative suggestions
- Chapter Critique story feedback
- 25+ writing analysis reports
- Custom style guide
Pros and cons
- Far deeper style analysis than other checkers
- Integrates with Word, Google Docs and Scrivener
- Lifetime licence option
- Doesn't train AI on your writing
- Monthly billing ($30) costs three times the annual rate
- Free plan is limited to 500 words per check
- Can flag correct British English usage
How it scores
The deepest editing reports in the category at a fair annual price; the interface is busier and there are no mobile apps.
Feature checklist · 5 of 9
- Grammar and spelling checks (yes)
- Rewrites or paraphrases your sentences (yes)
- Adjusts tone, formality or length (no)
- Drafts new text from a prompt or template (no)
- Works inside other apps via extension, add-in or keyboard (yes)
- Supports languages other than English (no)
- Plagiarism or AI-detection check (no)
- Readability or in-depth style reports (yes)
- Custom style guide, brand voice or matches your own style (yes)
Alternatives
See all ProWritingAid alternatives, ranked →
- Grammarly 8.6/10Anyone who wants polished, correct writing in every app without copying text into a separate tool
- QuillBot 8.1/10Students and non-native English writers who want to rephrase, summarise and cite on a budget
- LanguageTool 8.0/10People who write in more than one language, especially European languages
- Notion AI 7.6/10Teams that already keep their docs and notes in Notion
Grammarly vs ProWritingAidQuillBot vs ProWritingAidLanguageTool vs ProWritingAid