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Grammarly AI vs QuillBot

AI writing assistant trusted by 30M+ users for grammar, tone, clarity, and full-sentence rewrites across every app.

Winner: Grammarly AI(⭐ 4.7)

Grammarly AI

AI writing assistant trusted by 30M+ users for grammar, tone, clarity, and full-sentence rewrites across every app.

Visit Grammarly AI

QuillBot

Paraphrasing, summarizing, and grammar-checking AI tool widely used by students and professionals.

Visit QuillBot
CriteriaGrammarly AIQuillBot
Rating
4.7/5
4.3/5
Pricing
Free / $12/mo
Free / $10/mo
Category
writing
writing
Popularity
🔥 Very High
👍 Medium
Value for Money
⭐⭐ Good
⭐⭐ Good
📅 Release Date
2009
2017
🔄 Last Update
2026
2026
Company
Grammarly
QuillBot
Founded
2009
2017
API Access
❌ No
❌ No
Mobile App
✅ Yes
❌ No

Grammarly AI

Pros

  • +Works across virtually every app & browser
  • +Strong grammar, clarity and tone suggestions
  • +Real-time full-sentence rewrites
  • +Plagiarism checker on paid plans

Cons

  • Premium features behind a paywall
  • Can be conservative on creative style
  • Privacy considerations for sensitive text

QuillBot

Pros

  • +Excellent paraphrasing modes
  • +Useful free plan for basic needs
  • +Built-in grammar checker & summarizer
  • +Citation generator included

Cons

  • Paraphrased text may need fact-checking
  • Premium needed for full features
  • No long-form writing assistant

🎯 Best for — Grammarly AI

Email proofreadingAcademic writingProfessional documentsTone adjustmentPlagiarism checks

🎯 Best for — QuillBot

Essay paraphrasingText summarizationCitation formattingGrammar checkingAcademic writing

🏷️ Tags — Grammarly AI

WritingGrammarEditingBrowser Extension

🏷️ Tags — QuillBot

WritingParaphrasingSummarizerGrammar

Our Verdict

After comparing ratings, pricing and features, Grammarly AI comes out ahead with a 4.7/5 rating. It is the better choice for most users.

Expert Recommendation

Free account required

📌 Grammarly AI

████████ is the best choice for ████████ who need ████████. Recommended for ████████ and ████████.

📌 QuillBot

████████ is ideal for ████████ use cases. Best for ████████ and ████████ professionals.

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Frequently Asked Questions

Which is better: Grammarly AI or QuillBot?

Grammarly AI has the higher user rating (4.7/5 vs 4.3/5), making it the stronger overall pick. That said, QuillBot can still be the better fit depending on your budget and specific needs — see the full comparison above.

Is Grammarly AI or QuillBot cheaper?

Grammarly AI (Free / $12/mo) and QuillBot (Free / $10/mo) sit at a similar price point. The best way to compare actual cost is to check each tool's plans for the specific features and usage limits you need.

Can I switch from Grammarly AI to QuillBot?

Yes — switching between Grammarly AI and QuillBot is usually straightforward since both are writing tools with similar core workflows. Most users can export their data and get started with QuillBot within a day; just check QuillBot's free plan before committing to a paid tier.