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QuillBot vs ProWritingAid
QuillBot scores higher overall (8.1 vs 7.7), but the right pick depends on what you need.
Choose QuillBot if…
Students and non-native English writers who want to rephrase, summarise and cite on a budget
8.1/10★★★★★Full review →Choose ProWritingAid if…
Novelists and long-form writers who want deep editing reports, not just error fixes
7.7/10★★★★★Full review →Side by side
| QuillBot | ProWritingAid | |
|---|---|---|
| Overall score | 8.1/10 | 7.7/10 |
| Rank in category | #2 of 10 | #4 of 10 |
| Price | Freemium · from $8.33/month | Freemium · from $10/month |
| Free version | Grammar checks plus paraphrasing of up to 125 words at a time in basic modes | Line-editing reports on up to 500 words, 10 rephrases and 3 Sparks a day |
| Platforms | Web, iOS, Android, Chrome extension, Microsoft Word, Google Docs | Web, Desktop app, Chrome extension, Microsoft Word, Google Docs, Other |
| Made by | QuillBot (Learneo, Inc.) | ProWritingAid (Orpheus Technology Ltd) |
| Writing quality | 7.5 | 8 |
| Ease of use | 8.5 | 7 |
| Features | 8 | 7.5 |
| Value for money | 8 | 8 |
| Platforms | 9 | 7.5 |
QuillBot: what the AI does
- Paraphraser with nine modes and a synonym slider
- Grammar checker
- Summarizer
- AI detector and humanizer
- Plagiarism checker (20 pages a month on Premium)
- Translator and citation generator
- Best-in-class paraphrasing with fine control over how much text changes
- Lots of tools in one subscription
- Cheaper than Grammarly on annual billing
- Mobile apps include an AI keyboard
- Free paraphrasing is capped at 125 words per input
- Grammar checking is less thorough than Grammarly's
- Annual price doubled from $49.95 to $99.95 in 2025
ProWritingAid: what the AI does
- Rephrase tool
- Sparks creative suggestions
- Chapter Critique story feedback
- 25+ writing analysis reports
- Custom style guide
- 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