Grammarly vs QuillBot

A side-by-side look at Grammarly and QuillBot — pricing, features and where each one wins. Both are reviewed independently on Curata AI.

GrammarlyQuillBot
SummaryWriting assistant that catches grammar, tone and style issues in real time.AI paraphrasing and summarizing tool popular with students.
PricingFreemiumFreemium
CategoryWritingWriting
PlatformsWeb, Chrome, Word, iOS, AndroidWeb, Chrome, Word
Key features
  • Grammar Check
  • Tone Detection
  • Rewrites
  • Generative AI
  • Paraphraser
  • Summarizer
  • Citation Generator
  • Grammar Check
Pros
  • Works everywhere
  • Reliable suggestions
  • Great free tier
  • Very focused UX
  • Great for students
  • Solid free tier
Cons
  • Can over-suggest
  • Advanced features gated by plan
  • Narrower than a full chatbot
  • AI detector unreliable

Read the full Grammarly review

Grammarly is the writing assistant most professionals already have installed. Beyond grammar, its tone detection, rewrite suggestions and generative features help you sound clearer and more consistent across email, docs and browser writing. It is not a replacement for a chatbot, but it is the safety net that catches what a chatbot writes on your behalf.

Read the full QuillBot review

QuillBot is the paraphraser that made rewriting text mainstream. Beyond paraphrasing, it now includes a grammar checker, summarizer, citation generator and AI detector. Especially popular with students and non-native writers who want fast, clean rewrites without opening a full chatbot.