Some links are affiliate links: we may earn a commission at no extra cost to you. Disclosure

QuillBot vs Grammarly

Side-by-side from official pages, checked October 22, 2026.

QuillBot
AI paraphraser and writing toolkit (Paraphraser, AI Detector, plagiarism prevention).
  • Free: $0 USD
  • Premium: $8.33 USD per month, billed annually

Free: Free plan ($0) listed on the official Premium page.

Try QuillBot →
Grammarly
AI writing assistant for grammar, tone and generative help.
  • Free: $0 USD/month
  • Pro: $12 USD (see the plans page for billing period)
  • Enterprise: contact sales

Free: Free plan ($0) plus a Pro free trial with an email reminder 2 days before it ends.

Try Grammarly →

How to choose

Pick the tool whose core job matches yours: QuillBot: AI paraphraser and writing toolkit (Paraphraser, AI Detector, plagiarism prevention). Grammarly: AI writing assistant for grammar, tone and generative help. If both have a free plan or trial, try each on the same task before paying.

Source: QuillBot official pricing page, checked October 22, 2026.

Source: Grammarly official pricing page, checked October 22, 2026.

FAQ

What is the difference between QuillBot and Grammarly?

QuillBot: AI paraphraser and writing toolkit (Paraphraser, AI Detector, plagiarism prevention). Grammarly: AI writing assistant for grammar, tone and generative help.

Which is cheaper, QuillBot or Grammarly?

QuillBot: Free: $0 USD. Grammarly: Free: $0 USD/month. Check both official pages for current pricing.

Do QuillBot and Grammarly have free plans?

QuillBot: Free plan ($0) listed on the official Premium page.. Grammarly: Free plan ($0) plus a Pro free trial with an email reminder 2 days before it ends..

Get new AI tool price changes by email

One short email when a tool we cover changes its price or free plan. No spam, unsubscribe anytime.