Grammarly vs QuillBot (2026 Comparison)
Grammarly and QuillBot compared on editing, paraphrasing, free plans, pricing and user feedback, so you can choose the right tool or use both.
Quick verdict
🤝 It's a tie — it depends on what you need
Choose Grammarly for grammar, tone and clarity checks inside every app. Choose QuillBot for rewording and summarising at a lower annual price. Many writers use both free plans.
Grammarly and QuillBot overlap on grammar checking, but they do different main jobs. Grammarly is an editing layer that works wherever you type, while QuillBot is a rewriting toolkit built around paraphrasing and summarising.
Choose Grammarly if…
- You want grammar, tone and clarity checks in your browser and apps
- You write emails and documents all day
- You want a larger AI prompt allowance and plagiarism checks on Pro
- You need style guides for a team
Choose QuillBot if…
- You mostly reword, summarise or tighten existing text
- You want a low annual price for unlimited paraphrasing
- You want several rewriting modes and a citation generator
- You are a student who works with sources
Grammarly vs QuillBot: side by side
- Free: $0
- Pro: $12/mo
- Business: $33/mo
- Enterprise: Custom
- Free: $0
- Premium: $8.33/mo
- Grammar, spelling, punctuation and tone checks in browsers and apps
- Generative AI for drafting, rewriting and summarising
- Plagiarism and AI text detection on Pro
- Style guides and brand tones for teams
- Works in Word, Google Docs, Outlook, Slack and more
- Paraphraser with several rewriting modes
- Summarizer and grammar checker
- Citation generator and translator
- Plagiarism checker on Premium
- Browser extension and Word add-in
- A genuinely useful free plan with core checks and 100 AI prompts a month
- Works almost everywhere you type
- Reviewers praise the grammar and clarity checks
- Flat per-seat pricing with no credit meter
- Strong paraphraser at a lower price than most rivals
- Free plan includes several tools
- Simple interface that students find easy
- Annual Premium is cheap per month
- Reviewers report surprise renewal charges and difficulty cancelling
- AI rewrites can flatten your voice or change meaning
- Constant upgrade prompts and pop-ups annoy some users
- Monthly billing costs 2.5 times the annual rate
- Free paraphraser stops at 125 words per run
- Monthly pricing is steep compared with annual
- Reviewers report a strict refund policy
- Rewrites need checking for meaning
Scores, pricing and features come from our full reviews and were last checked on each review's update date. Always confirm current pricing on the tool's website.
Our verdict
It’s a tie because they solve different problems. Grammarly is the better choice if you write and edit your own text all day, and QuillBot is the better choice if you often need text reworded or shortened. Both have usable free plans, so many writers use them together.
In our reviews Grammarly scores 4.3 out of 5 and QuillBot 4.2.
Key differences
Main job. Grammarly checks grammar, tone and clarity as you type in browsers and apps. QuillBot rewrites text in different modes, summarises and checks grammar.
Free plans. Grammarly’s free plan includes core checks and about 100 AI prompts a month. QuillBot’s free paraphraser stops at 125 words per run and two modes.
Pricing. Grammarly Pro is $12 a month billed annually or $30 monthly. QuillBot Premium is $8.33 a month billed annually or $19.95 monthly.
User feedback. Grammarly’s reviewers praise the checks but report renewal charges and AI rewrites that flatten voice. QuillBot’s reviewers praise the paraphraser and value but dislike the free cap and the strict refund policy.
Responsible use. Both include AI-related tools. Schools and publishers have rules on AI and paraphrasing, so check yours before you submit reworded text.
Pricing compared
Grammarly Pro costs $144 a year or $360 on monthly billing, and QuillBot Premium costs $99.95 a year or about $239 monthly. Annual billing is much cheaper for both, and both renew automatically, so set a reminder. Check each pricing page, since promotions change.
Can you use both?
Yes. A common setup is Grammarly’s free plan for checking and QuillBot for rewording. Try both on the same paragraph and keep what helps.
How we compared these tools
This comparison is based on our full reviews of Grammarly and QuillBot, which draw on official pricing information, G2 and Trustpilot reviews and independent write-ups (checked November 2, 2026). We have not run our own trials. See our list of the best AI writing tools.