Grammarly vs QuillBot

Side-by-side comparison of two AI Writing tools. Features, pricing, pros & cons, and recommendations to help you choose.

G

Grammarly

Freemium 5/5 (4.8)

AI-powered writing assistant for grammar, tone, clarity, and plagiarism detection.

Key Features

  • + Real-time grammar, spelling, and punctuation correction
  • + Tone detection and clarity suggestions
  • + Generative AI writing with customizable prompts
  • + Plagiarism detection against billions of web pages
  • + Style guide and brand tone enforcement for teams

Pros

  • + Unmatched accuracy in grammar and spelling
  • + Works everywhere via browser extension and integrations
  • + Generous free tier
  • + Enterprise-grade team management features
  • + Seamless browser and desktop integration

Cons

  • - Premium pricing above some competitors
  • - AI writing features not as advanced as dedicated tools
  • - Plagiarism checker only on Premium

Best For

ProfessionalsStudentsTeamsNon-native English Writers

Pricing

Free tier available; Premium: $12/mo (annual); Business: $15/user/mo

Q

QuillBot

Freemium 5/5 (4.5)

Leading AI paraphrasing and grammar tool with summarizer and citation generator.

Key Features

  • + Multi-mode paraphrasing (Standard, Fluency, Formal, Creative, etc.)
  • + AI-powered grammar and spell checker
  • + Text summarizer for condensing long articles
  • + Citation generator supporting APA, MLA, and Chicago styles

Pros

  • + Best-in-class paraphrasing quality and modes
  • + Affordable premium pricing
  • + Excellent for academic writing and research
  • + Seamless browser and document integration

Cons

  • - Limited to text enhancement, not content generation
  • - Some features require separate add-on payment
  • - Summarizer can struggle with very technical content

Best For

StudentsAcademic WritersESL WritersResearchers

Pricing

Free tier available; Premium: $9.95/mo (annual $4.17/mo)

Quick Comparison

Category Grammarly QuillBot
Category AI Writing AI Writing
Pricing Freemium Freemium
Rating 4.8/5 4.5/5
Features 5 listed 4 listed
Best For Professionals, Students, Teams, Non-native English Writers Students, Academic Writers, ESL Writers, Researchers
Starting Price Free tier available; Premium: $12/mo (annual); Business: $15/user/mo Free tier available; Premium: $9.95/mo (annual $4.17/mo)

This comparison is based on publicly available data and our independent research. Both tools offer free tiers or trials — we recommend testing them yourself before making a final decision.