Grammarly vs QuillBot
Side-by-side analysis, no fluff. We've tested both in real-world conditions.
Summary table
Grammarly
Freemium
QuillBot
Freemium
What's best about Grammarly
- Works everywhere — browser, Office, Google Docs, desktop — no copy-pasting
- Tone detection catches subtle issues native speakers overlook
- Grammarly GO drafts full emails and replies in seconds from a one-line brief
- Plagiarism checker covers 16B+ web pages, essential for content and academia
What's best about QuillBot
- Most affordable premium paraphrasing tool at $4.17/mo annually
- 7 distinct rewrite modes cover academic, creative, and professional needs
- Chrome and Word integrations work seamlessly without leaving your document
- Summariser handles PDFs and long articles with accurate bullet-point output
What's weakest about Grammarly
- Free tier too limited for daily professional use — real value starts at Premium
- Suggestions occasionally over-correct natural conversational tone
- No native long-form document editor — works as an overlay, not a standalone editor
- Business plan requires minimum 3 seats; expensive for solo freelancers
What's weakest about QuillBot
- Free tier capped at 125 words per paraphrase — frustrating for longer texts
- Grammar checker not as deep as dedicated tools like Grammarly
- Plagiarism checker database smaller than Turnitin or Copyscape
- AI writing (Co-Writer) produces generic output without strong custom prompting
Dimension scores
Grammarly is the obvious pick if you value the ai writing assistant trusted by 30 million daily users..
Frequently asked questions
Which is better, Grammarly or QuillBot?+
In our tests, Grammarly (4.5/5) edges out QuillBot (4.2/5). Grammarly: The AI writing assistant trusted by 30 million daily users.
Does Grammarly have a free plan?+
Yes, Grammarly has a free plan available. Paid plans start at $12/mo.
Does QuillBot have a free plan?+
Yes, QuillBot has a free plan available. Paid plans start at $9.95/mo.
How does Grammarly differ from QuillBot?+
Grammarly stands out for: Works everywhere — browser, Office, Google Docs, desktop — no copy-pasting; Tone detection catches subtle issues native speakers overlook. QuillBot excels at: Most affordable premium paraphrasing tool at $4.17/mo annually; 7 distinct rewrite modes cover academic, creative, and professional needs.