QuillBot
QuillBot is an AI-powered writing suite offering paraphrasing, grammar checking, summarizing, AI detection, plagiarism checking, and a growing range of creative and productivity tools.
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✓ Free plan available
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QuillBot provides a comprehensive set of AI writing tools — including a paraphraser, grammar checker, summarizer, translator, AI detector, plagiarism checker, citation generator, and AI image generator — aimed at students, professionals, and content creators. It operates as a browser extension and web app, integrating with Chrome, Edge, Safari, Microsoft Word, iOS, Android, macOS, and Windows. With 35+ million users across 180+ countries, it is one of the most widely adopted AI writing assistants available.
Best for: Students, academics, bloggers, and professionals who need fast paraphrasing, grammar correction, and originality checking
Key Features
- AI Paraphraser with multiple rewriting modes
- Grammar Checker and spelling correction
- AI Humanizer to make AI text sound natural
- AI Detector and AI Image Detector
- Plagiarism Checker
- Summarizer for condensing long content
- Translator supporting multiple languages
- Citation Generator
- AI Chat for brainstorming and Q&A
- AI Image Generator
- PDF tools (edit, merge, split, convert)
- Presentation Creator and Cover Letter Generator
- Browser extensions (Chrome, Edge, Safari) and desktop apps
Pros
- Extremely broad toolset — paraphrasing, detection, images, PDFs, and more under one subscription
- Widely accessible via browser extensions, desktop apps, and mobile (iOS & Android)
- Free tier is genuinely useful for casual users with no credit card required
- Strong integrations with Google Chrome (4.5/5 rating, 6M+ users) and Microsoft Word
Cons
- Free tier is significantly limited — restricted word counts per session and no access to premium paraphrasing modes
- Plagiarism checker and AI detector are paywalled and less robust than dedicated tools like Turnitin or Originality.ai
- Paraphrasing quality can feel formulaic or surface-level on complex academic texts compared to GPT-4-based alternatives
- AI Chat and image generation are late additions and lag behind dedicated tools like ChatGPT or Midjourney in capability
- Premium pricing ($19.95/mo monthly) is relatively steep given the limitations of some individual tools in the suite
Pricing Details
| Pricing type | Freemium |
| Starting at | Free |
| Free plan | ✅ Available |
Plan Breakdown
Free
$0/mo
Premium (Annual)
$8.33/mo
Premium (Semi-Annual)
$13.33/mo
Premium (Monthly)
$19.95/mo
Teams/Business
Custom
See Current Pricing →
Pricing may change — always verify on the official site.
- Students paraphrasing and summarizing academic sources while checking for plagiarism
- Content writers and bloggers rewriting drafts for uniqueness and improved fluency
- Professionals polishing emails, reports, and presentations quickly
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Alternatives to QuillBot
See how QuillBot compares side-by-side with similar tools
QuillBot Current |
Podium
|
Koala AI
|
Sudowrite
| |
|---|---|---|---|---|
| Rating | ★★★★☆ 4.0 | ★★★★½ 4.4 | ★★★★☆ 4.2 | ★★★★☆ 4.1 |
| Trust Score | 81/100 | 78/100 | 79/100 | 74/100 |
| Pricing |
Free
$0/mo
Premium (Annual)
$8.33/mo
Premium (Semi-Annual)
$13.33/mo
Premium (Monthly)
$19.95/mo | Freemium Free |
Free
$0/mo
Starter
$9/mo |
Hobby
$19/mo
Professional
$29/mo
Max
$59/mo |
| Data updated | 2 days ago | 6 days ago | 2 days ago | 2 days ago |
| Try → | Compare → | Compare → | Compare → |
About Trust Score
Trust Score = (Rating / 5 × 60) + (Popularity / 100 × 40). A score of 100 means the tool has a perfect rating and maximum market popularity. Scores are updated automatically by our AI agent.
Affiliate disclosure: Some links on this page are affiliate links. We may earn a small commission if you sign up — at no extra cost to you.
