Grammarly vs QuillBot
Grammarly or QuillBot? Here is how they compare on price, free plan, platforms and the jobs each does best, from each vendor's own pages.
| Compared on | Visit | Visit |
|---|---|---|
| What it is | AI writing assistant for grammar, tone, rewrites and text generation | AI paraphrasing, grammar checking and summarizing tools for writers |
| Free plan | Yes | Yes |
| Cheapest paid plan | $12/member/mo billed annually (Pro)Grammarly pricing | $8.33/mo billed annually (Premium)QuillBot pricing |
| What it covers | $144 per member per year on annual billing; quarterly option $60 per member every three months; 2,000 AI prompts per member per month. | $99.95 billed every 12 months; also $39.95 billed every 3 months ($13.31/month). |
| 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, up to 125 words at a time
- Plagiarism Checker is Premium-only, up to 25,000 words a month
- No free trial; refunds only where the law requires (14 days in the EEA and UK)
Questions
Is Grammarly or QuillBot cheaper?
They price different things, so neither is simply cheaper. Grammarly's entry price, $12/member/mo billed annually (Pro), is per user or seat; QuillBot's, $8.33/mo billed annually (Premium), is for the whole plan. Price the number of people, channels or contacts you have on each.
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: Paraphraser in Standard and Fluency modes, up to 125 words at a time; Summarizer up to 1,200 words; Grammar Checker, AI Detector, Citation Generator, Translate and the extensions; a limited number of AI Chat queries a day.