Writesonic
AI Tools
AI platform for drafting articles, marketing copy and SEO-oriented content.
Pricing unverifiedAIBest for: Marketers producing a high volume of drafts
vs
Grammarly vs QuillBot
Updated 3 October 2026
Preliminary comparison. This information has not yet been verified against the official website. Features, plans and pricing can change — always confirm on the vendor's site. Editorial policy
Grammarly and QuillBot are both popular writing tools with free plans, and they overlap on grammar checking. Their starting points are different, though: Grammarly is built around correcting and improving text as you write, while QuillBot is best known for rewriting and summarising text you paste in.
This comparison explains how they differ so you can pick the one that matches how you write. Many people use one of each.
We don't declare a universal winner: the better choice depends on what you need to do. Use the sections below to match each tool to your situation.
Quick comparison
| Attribute | Grammarly | QuillBot |
|---|---|---|
| Category | Writing Tools | Writing Tools |
| Pricing model | Freemium | Freemium |
| Free plan | Yes | Yes |
| Free trial | Unverified | Unverified |
| Starting price | Check official site | Check official site |
| Platforms | Web, Browser extension, Windows, macOS, iOS, Android | Web, Browser extension |
| AI features | Yes | Yes |
| Best for | Everyday writing in email and the browser; Students and job seekers; Non-native English writers | Students reworking their own notes and drafts; Writers who want alternative phrasings quickly |
| Pricing last checked | Not yet checked | Not yet checked |
Features
Grammarly
Grammar and spelling checks
Flags spelling mistakes, grammatical errors and punctuation issues as you write, with suggested fixes.
Clarity and tone suggestions
Suggests ways to make sentences clearer or more concise and can indicate how your writing may come across.
Works across apps
Browser extension and apps bring suggestions into web forms, email and documents instead of a separate editor.
AI writing assistance
Generative AI features help draft, rewrite or adjust text. Availability and limits depend on the plan.
QuillBot
Paraphrasing modes
Rewrites text in different styles so you can choose wording that fits your audience.
Summariser
Condenses long passages into shorter summaries or key points.
Grammar checking
Checks text for grammar, spelling and punctuation mistakes.
Browser access
Use the web app, or check the official site for browser extensions and integrations.
Pricing and free plans
Grammarly
Freemium- Free plan
- Yes
- Free trial
- Unverified
- Starting price
- Check current pricing on the official website
Pricing last checked: Not yet checked
QuillBot
Freemium- Free plan
- Yes
- Free trial
- Unverified
- Starting price
- Check current pricing on the official website
Pricing last checked: Not yet checked
Key differences
| Aspect | Grammarly | QuillBot |
|---|---|---|
| Core focus | Correcting and improving text as you write | Paraphrasing and summarising text you provide |
| Where you use it | Browser extension and apps that work inside other software | Mainly its own web editor, plus extensions — check official site |
| Typical workflow | Write normally and accept suggestions inline | Paste text, choose a mode, compare outputs |
Similarities
- Both offer a free plan and paid upgrades.
- Both include grammar and spelling checking.
- Both use AI to suggest changes to your text.
- Both are used by students, professionals and content writers.
Which type of user each tool suits
Consider Grammarly if…
- You want suggestions inside email, documents and web forms as you type.
- Your main goal is correctness, clarity and tone rather than rewording.
- You write a lot of short, everyday text such as emails and messages.
Consider QuillBot if…
- You often need to rephrase or simplify your own drafts.
- You want to summarise long material quickly.
- You prefer working in a dedicated editor rather than an extension.
We may earn a commission if you purchase or sign up through links on this page. This does not affect the price you pay. Learn more.
Other alternatives
Frequently asked questions
Can I use Grammarly and QuillBot together?
Yes. Some writers paraphrase or summarise in QuillBot and then proofread the result in Grammarly. Check each tool's terms and your organisation's AI policy.
Which is better for students?
It depends on the task. Grammarly suits proofreading assignments; QuillBot suits summarising notes and rewording your own drafts. Always follow your institution's rules on AI tools.