Grammarly vs QuillBot

A side-by-side comparison to help you choose the right tool.

Grammarly scores higher overall (80/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.
Free plan
Yes
Best for
professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides
Platforms
web, desktop, mobile, browser-extension
API
No
Languages
en
Pricing
Free plan with basic paraphrasing and limited features. Premium plan at $9.95/month with all modes and tools.
Free plan
Yes
Best for
students paraphrasing research material for essays, non-native English speakers improving writing clarity, bloggers and content writers rephrasing existing content, academics checking grammar and avoiding unintentional plagiarism
Platforms
web, browser-extension, desktop
API
No
Languages
en

Choose Grammarly if:

  • You are professionals writing emails and business documents
  • You are students improving academic writing
  • You are content creators and marketers polishing copy
  • You want to start free
Read Grammarly review →

Choose QuillBot if:

  • You are students paraphrasing research material for essays
  • You are non-native English speakers improving writing clarity
  • You are bloggers and content writers rephrasing existing content
  • You want to start free
Read QuillBot review →

FAQ

What is the difference between Grammarly and QuillBot?
Grammarly is the most widely used ai writing assistant, offering real-time grammar, spelling, tone, and clarity suggestions across virtually any text field via browser extensions, desktop apps, and mobile keyboards. its generative ai features now handle full rewrites and drafting. QuillBot is ai-powered paraphrasing and grammar checking tool that helps writers rephrase text, improve clarity, and avoid plagiarism.
Which is cheaper, Grammarly or QuillBot?
Grammarly: Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.. QuillBot: Free plan with basic paraphrasing and limited features. Premium plan at $9.95/month with all modes and tools.. Grammarly has a free plan. QuillBot has a free plan.
Who is Grammarly best for?
Grammarly is best for professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides.
Who is QuillBot best for?
QuillBot is best for students paraphrasing research material for essays, non-native English speakers improving writing clarity, bloggers and content writers rephrasing existing content, academics checking grammar and avoiding unintentional plagiarism.