QuillBot vs Grammarly: which should you use?
QuillBot and Grammarly both improve your writing, but they lead with different tools. QuillBot is built around paraphrasing: rewording sentences in different styles. Grammarly is built around checking spelling, grammar and tone as you type, everywhere you write.
Prices checked Oct 15, 2026 on each tool's official pricing page. Prices change often.
Quick verdict
Pick QuillBot if you mainly want to rephrase and simplify text, and want a cheap premium plan. Pick Grammarly if you want a checker that works in your email, browser and documents as you type.
| Feature | QuillBot | Grammarly |
|---|---|---|
| Best for | Rephrasing awkward sentences | Proofreading emails and documents |
| Standout feature | Paraphraser with 9 modes and custom modes on Premium | Grammar and tone suggestions everywhere you type |
| Free option | Free plan: paraphraser up to 100 words, 2 modes | Free plan: spelling, grammar and 100 AI prompts a month |
| Paid plans | Premium $8.33/mo billed yearly | Pro $12/mo |
| Pricing type | Freemium | Freemium |
| Worth knowing | Paraphrasing someone else's work is not the same as citing it; follow your school's or workplace's rules. | Review suggestions rather than accepting them all; it can flatten your voice. |
Choose QuillBot if…
- You want to reword sentences and paragraphs
- You are a student or write in a second language
- You want the lower premium price
QuillBot rewrites sentences and paragraphs in different styles, checks grammar and spelling, and summarises long text. It is popular with students, teachers and anyone writing in a second language who wants clearer wording.
Choose Grammarly if…
- You want corrections as you type in email and docs
- You want help with tone
- You write a lot of professional email
Grammarly checks spelling, grammar and clarity as you write in the browser, email and documents, and suggests changes to tone. Its AI features can also rewrite or draft short passages.
Questions
Is QuillBot cheaper than Grammarly?
Yes. QuillBot Premium is $8.33 a month billed yearly, and Grammarly Pro is $12 a month.
Can I use QuillBot and Grammarly together?
Many people do: QuillBot to rephrase, Grammarly to check the final text as they type. Both have free plans.