ProWritingAid vs QuillBot
QuillBot uniquely has 2 features · ProWritingAid uniquely has 1 feature.
| ProWritingAid | QuillBot | |
|---|---|---|
| Company | ||
| Founded | 2012 | 2017 |
| HQ | London, United Kingdom | Chicago, USA |
| AI model | Proprietary | Proprietary |
| User base | 4 million+ | 35M+ |
| Platforms | Web, Chrome Extension, Firefox Extension, Edge Extension, Google Docs, Microsoft Word, Desktop Editor, Scrivener | Web, iOS, Android, Chrome, Edge, Safari, macOS, Windows, Microsoft Word |
| Languages | English only | 40+ |
| Pricing | ||
| Free plan | Yes — 500 word limit, 2 report runs/day, 3 Sparks/day, 10 Rephrases/day | Yes |
| Free trial | Yes — Free plan available with limited features; 3-day money-back on paid plans | — |
| Starting price | $10.00/mo (Premium, billed yearly at $120/yr) | — |
| Refund policy | 3-day money-back guarantee on yearly and lifetime plans; no refunds on monthly plans | 3-day money-back guarantee (known from training knowledge) |
| All plans | Premium$30/moPremium Pro$36/moPremium Lifetime$399 one-timePremium Pro Lifetime$699 one-time | Premium$8.33/mo billed anuallyTeamsCustom |
| Positioning | ||
| Best for | Novelists, fiction writers, and long-form content creators seeking deep editing and style analysis | Students, academics, professionals, and content creators needing paraphrasing, grammar checking, and AI writing assistance |
| Differentiator | ProWritingAid offers the most in-depth manuscript-level analysis with 25+ writing reports, Chapter Critique, and Virtual Beta Reader specifically tailored for fiction and long-form storytelling—going far beyond grammar checking. | All-in-one AI writing suite combining paraphrasing, grammar checking, plagiarism detection, AI humanizing, image generation, PDF tools, and citation generation in a single platform used by 35M+ writers across 180+ countries. |
| Competitors | Grammarly, Hemingway Editor, Scrivener, AutoCrit, Wordtune | Grammarly, Wordtune, Jasper, Copy.ai, Writesonic |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✓ |
| Brand Voice | Basic — custom style guide and terminology management on Premium | Basic — AI Humanizer helps text sound natural and like the user |
| Bulk Generation | ✕ | — |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | No | Built-in — AI Image Generator and AI Image Editor included |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in — available as add-on Story Credits purchase | Built-in |
| SEO Optimization | ✕ | ✕ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| API Access | ✕ | — |
| Chrome Extension | ✓ | ✓ |
| CMS | ✕ | ✕ |
| Google Docs | ✓ | ✕ |
| Key Integrations | Microsoft Word, Google Docs, Scrivener, Chrome Extension, Firefox Extension, Edge Extension, Desktop Editor | Chrome extension, Edge extension, Safari extension, Microsoft Word add-in, iOS app, Android app, macOS app, Windows app |
| Wordpress | ✕ | ✕ |
| Zapier | ✕ | — |