Grammarly vs QuillBot
Grammarly is aI writing assistant for grammar, tone, rewrites and text generation. QuillBot is aI paraphrasing, grammar checking and summarizing tools for writers. Here is how they compare on price, free plan, platforms and the jobs each does best, from each vendor's own pages.
| Grammarly | QuillBot | |
|---|---|---|
| What it is | AI writing assistant for grammar, tone, rewrites and text generation | AI paraphrasing, grammar checking and summarizing tools for writers |
| Pricing | Free plan | Free plan |
| Free plan | Yes | Yes |
| Cheapest paid plan | $12/user/mo billed annually (Pro) | $8.33/mo billed annually (Premium) |
| Free trial | 7-day free trial of Pro | None stated |
| Platforms | Windows, macOS, Chrome extension, iOS, Android | Web, Chrome extension, macOS, iOS, Android |
| Integrations (vendor's figure) | Not stated | Not stated |
| Open source | No | No |
| Made by | Superhuman Platform (company formerly named Grammarly) | Learneo, Inc. |
Choose Grammarly if…
- The job is proofreading emails and documents before sending.
- The job is adjusting the tone of client messages.
Choose QuillBot if…
- The job is rewording sentences in an email or report for clarity.
- The job is summarizing long articles before a meeting.
What Grammarly does
- Spelling, grammar and tone suggestions
- One-click full-sentence rewrites
- Text generation from prompts
- Plagiarism and AI-generated text detection (Pro)
- Browser extensions, Windows and Mac apps, Microsoft Office and Google Docs integration
Watch out for
- Free plan includes 100 AI prompts; Pro allows 2,000 per member per month
- Plagiarism and AI-text detection require Pro
- Unlimited prompts, BYOK encryption and custom roles are Enterprise-only
What QuillBot does
- Paraphraser with 9 preset modes and custom modes (Premium)
- Grammar checker
- AI detector and AI humanizer
- Summarizer
- Citation generator and translator
- Chrome extension, Word extension, macOS, iPhone and Android apps
Watch out for
- Free Paraphraser offers only the Standard and Fluency modes
- Word limits per input are lower on the free plan than on Premium
Questions
Is Grammarly or QuillBot cheaper?
On published entry prices, QuillBot is cheaper: $12/user/mo billed annually (Pro) for Grammarly against $8.33/mo billed annually (Premium) for QuillBot. What each plan includes differs, so compare the limits too.
Do Grammarly and QuillBot have free plans?
Both do. Grammarly: Spelling, grammar and tone feedback, plus 100 AI prompts (the plans page does not state a period for the free prompts). QuillBot: Free access to the Paraphraser (Standard and Fluency modes, no limit on the number of paraphrases), Grammar Checker, AI Detector, AI Humanizer, Summarizer, Citation Generator and Translate, with lower word limits than Premium (exact limits not confirmed).