Grammarly vs QuillBot: Which Writing Assistant?

Grammarly excels at grammar, tone, and clarity everywhere you write, while QuillBot is strongest at paraphrasing and rewriting.

Tagline
AI writing assistance for clarity and tone.
AI paraphraser, grammar checker, and writing aid.
Pricing
Freemium$12/mo (Pro)
Freemium$9.95/mo (Premium)
Open source
No
No
API available
No
No
Platforms
Web, Windows, macOS, iOS, Android, Chrome Extension
Web, Chrome Extension, Windows, macOS
Key features
  • Grammar & spelling
  • Tone detection
  • Generative rewrites
  • Plagiarism check
  • Everywhere integration
  • Paraphraser
  • Grammar checker
  • Summarizer
  • Citation generator
  • Plagiarism check

Grammarly

AI writing assistance for clarity and tone.

Pros

  • + Works in nearly every app
  • + Reliable corrections
  • + Easy to adopt

Cons

  • Best features are paid
  • Style suggestions can be rigid
  • Limited long-form generation

QuillBot

AI paraphraser, grammar checker, and writing aid.

Pros

  • + Excellent paraphrasing
  • + Easy to use
  • + Useful free tier

Cons

  • Best modes are paid
  • Can alter meaning
  • Not for long-form drafting

Which should you choose?

Choose Grammarly if…

  • • You need proofreading
  • • You need email polish
  • • You need professional writing

Choose QuillBot if…

  • • You need rewriting
  • • You need summarizing
  • • You need proofreading

The verdict

Pick Grammarly for all-round writing help; choose QuillBot when paraphrasing and summarizing are your main needs.