QuillBot review
Paraphrasing, summarising and citation tools built for students and researchers.
What we like
- Best paraphrasing tool available, with adjustable rewriting modes
- Free tier covers the core paraphraser and summariser
- Citation generator supports the major academic styles
- Cheap compared with general AI subscriptions
What we do not
- Paraphrasing to evade plagiarism detection is academic misconduct in most institutions
- Free tier word limits interrupt longer work
- Rewrites sometimes alter technical meaning
What it is
QuillBot is a focused writing toolkit built around paraphrasing, with summarising, grammar checking, citation generation and translation attached. Its user base is overwhelmingly students, academics and non-native English writers.
Where it shines
The paraphraser is the best of its kind. Rewriting modes — standard, fluent, formal, simple, creative — give real control over how far the rewrite travels from the original, and a synonym slider adjusts vocabulary aggressiveness. For a non-native speaker who has the right idea but clumsy phrasing, it is more useful than a general chatbot because it preserves the meaning rather than rewriting the thought.
The summariser handles long PDFs cleanly, and the citation generator covers APA, MLA, Chicago and others, which removes a genuinely tedious task from academic writing.
Price is a real advantage: under ten dollars a month, or roughly half that annually, against twenty for a general assistant.
Where it falls short
The ethical hazard is unavoidable. A large share of usage is students paraphrasing sources to slip past plagiarism detection, which universities treat as misconduct. The tool cannot tell whether you are polishing your own sentence or laundering someone else's, and pretending otherwise helps nobody.
Technical accuracy suffers on specialised text — paraphrasing a methods section can quietly change what was measured. Always reread rewritten technical content.
Free tier limits are also tight enough to interrupt real work, which is clearly deliberate.
Pricing in plain English
Free with a 125-word paraphrasing limit. $9.95 a month for Premium with unlimited paraphrasing and a plagiarism checker, or around $4.17 a month billed annually.
Who should use it
Students, researchers and non-native English writers who need to tighten and clarify their own prose. For composing from scratch, a general assistant is the better tool.
A note for non-native writers
The most defensible use is iterative: write your own draft, paraphrase a sentence you know is clumsy, then compare the two and choose deliberately. That loop teaches you English phrasing over time, which no amount of one-click rewriting will. Used that way it is a study aid rather than a shortcut, and nothing about it will trouble an academic integrity policy.
QuillBot pricing
Checked Aug 3, 2026. Vendors change pricing often — verify on their site before purchasing.
Free
$0 / month
- 125-word paraphraser limit
- Two rewriting modes
- Basic grammar check
Premium
Most chosen$9.95 / month
- Unlimited paraphrasing
- All modes
- Plagiarism checker
Annual
$4.17 / month billed yearly
- Same as Premium at a lower effective rate
- Best for
- Paraphrasing academic textSummarising long articlesCitation generationGrammar checkingTranslating and rewriting
- Platforms
- WebChromeWordmacOSAndroidiOS
QuillBot FAQs
Is using QuillBot cheating?
Using it to understand or tighten your own writing is normally fine. Using it to disguise someone else's work as yours is plagiarism, and most universities treat it as misconduct regardless of the tool used.
Can QuillBot output be detected as AI?
Sometimes. AI detectors are unreliable in both directions, but heavily paraphrased text often has patterns that trigger them. Do not rely on paraphrasing to hide anything.
How much is QuillBot Premium?
About $9.95 per month, or roughly $4.17 per month billed annually — cheaper than most AI subscriptions.
QuillBot compared
Learn QuillBot
- how tobeginner6 min read
The Best AI Tools for Students in 2026 (And How to Use Them Honestly)
Tools that genuinely help with studying, research, note-taking and writing — plus a clear line between using AI to learn and using it to cheat.
Read tutorial →
QuillBot alternatives
Grammarly
4.5FreemiumWriting assistance that follows you everywhere — correction first, generation second.
From $0Read review →ChatGPT
4.8FreemiumThe default AI assistant — strongest all-round mix of reasoning, tools, voice and ecosystem.
From $0Read review →Notion AI
4.3PaidAI inside your workspace — it knows your own docs, tasks and databases.
From $10Read review →Claude
4.7FreemiumThe writing and long-document specialist — best prose quality and strongest large-context reasoning.
From $0Read review →Jasper
4.1PaidEnterprise marketing AI with brand voice controls and campaign workflows.
From $39Read review →Copy.ai
4.0FreemiumGTM workflow automation — less a writing app than a go-to-market engine.
From $0Read review →