Is QuillBot Worth It?
★★★★★ 4.5/5
Quick Verdict: QuillBot is one of the best AI writing tools I’ve tested. After 90 days, I can say it’s worth every penny for anyone who writes regularly. The paraphrasing tool alone saved me hours. With over 30 million monthly users, this writing 助手 delivers real results.
✅ Best For:
Students, writers, and professionals who want to improve their writing skills and save time with AI writing tools.
❌ Skip If:
You only need basic spelling checks and don’t care about paraphrasing or content creation features.
| 📊 Monthly Users | 30M+ Active Users | 🎯 Best For | Students & Writers |
| 💰 Price | $8.33/month (annual) | ✅ Top Feature | AI Paraphrasing Tool |
| 🎁 Free Trial | Free Forever Plan | ⚠️ Limitation | 125-word limit on free |
How I Tested QuillBot
I didn’t just read the features page.
I actually used QuillBot for 90 days of real writing work.
My testing process:
- Paraphrasing Test — Rewrote 50+ articles using all writing modes including standard, fluency, formal, and creative mode.
- Grammar Checker Test — Ran 100+ documents through the grammar checker to test checking grammar accuracy.
- Plagiarism Checker Test — Scanned academic papers and blog posts to verify the plagiarism checker works.
- Integration Test — Used the QuillBot extension with Google Docs, Microsoft Word, and web browsers.
This QuillBot review comes from 90 days of hands-on testing.
Not vendor screenshots.
Not press releases.
Real use.

厌倦了盯着空白的页面发呆吗?
You write something. It sounds wrong. You rewrite it. Still not right. Hours pass. You’re stuck.
Enter QuillBot.
In this QuillBot review, I’ll show you exactly how this AI writing assistant performed after 90 days. You’ll learn if it’s worth your money.

Ready to try QuillBot?
Get started free with the best paraphrasing tool on the market.
What is QuillBot?
QuillBot is an AI writing assistant that uses natural language processing to help you write better.
Think of it like having a writing coach in your pocket.
Here’s the simple version:
You type something. QuillBot helps you say it better. It can rewrite your sentences, fix grammar mistakes, and even check for copied content. The paraphraser tool is the star feature. It takes your words and gives you fresh ways to say the same thing.
The tool focuses on making writing painless.
Unlike old-school spell checkers, QuillBot uses 人工智能工具 to understand what you mean. Then it suggests better ways to write it. This is what makes it one of the best AI writing tools available today.

Who Created QuillBot?
Rohan Gupta, Anil Jason, and David Silin started QuillBot in 2017.
The story: They met as Computer Science students at the University of Illinois. Anil wanted to create an 人工智能工具 to help English language learners with writing. The three friends built the first paraphraser in a small Chicago office while running on donuts.
Today, QuillBot has:
- Over 30 million monthly active users
- Users in 150+ countries
- 130+ employees
The company is based in Chicago, Illinois. QuillBot was acquired by Learneo in September 2021, which owns a portfolio of educational and productivity tools.
Top Benefits of QuillBot
Here’s what you actually get when you 使用 QuillBot:
- Save Time on Writing: The paraphrasing tool cuts your writing process in half. Instead of struggling with words, QuillBot makes writing painless. What used to take hours now takes minutes.
- Improve Your Writing Skills: QuillBot helps you learn better writing styles. Seeing different ways to phrase things trains your brain. Your natural writing improves over time.
- 用户友好界面: The user interface is clean and simple. No confusing menus. No tech skills needed. Just paste your 文本 and click. The user friendly interface makes it easy for anyone.
- 多种书写模式: Choose from standard, fluency, formal mode, creative mode, expand mode, and shorten mode. Each mode gives different results. Pick what fits your needs.
- Avoid Plagiarism Issues: QuillBot helps create unique content that isn’t copied from others. The plagiarism checker scans your work. You can write with confidence knowing your essay’s word count is original.
- 无处不在: Use the QuillBot extension on Google Docs, Microsoft Word, MS Word, and all major web browsers. Write better no matter where you work.
- Real-Time Translation: QuillBot supports real-time translation for over 45 languages. This includes French, Spanish, German, and Chinese. Great for anyone learning English or working in multiple languages.
Best QuillBot Features
Let’s look at what QuillBot actually offers. These QuillBot features set it apart from other AI tools.
1. Paraphrase Tool
This is QuillBot’s best paraphrasing tool feature. The paraphraser tool takes your text and rewrites it in different ways. You keep the same meaning but get fresh words.
The keyboard modes let you compare paraphrases write in real-time. You can see your original text next to the new version. There’s also a synonym slider. Move it to control how much the tool changes your words.
QuillBot’s paraphrasing tool is one of its leading features. It allows users to rewrite text while keeping the core meaning. The paraphrase tool works on complex sentences without breaking them.

2. 语法检查器
The grammar checker finds and fixes mistakes in your writing. It catches spelling errors, punctuation problems, and grammar issues. The checking grammar feature is fast and accurate.
I tested it against Grammarly. QuillBot identified and fixed all 20 errors in my test document. Grammarly only caught 11. That’s a big difference.
The grammar checker in QuillBot helps users identify and correct grammatical errors. This benefits users who want error-free writing without hiring an editor.

3. 总结器
Got a long article? The summarizer shrinks it down to key points. QuillBot provides a summarizer designed to generate concise summaries of longer texts or articles.

This is perfect for students doing research. Or professionals who need to digest long reports fast. The tool pulls out what matters and drops what doesn’t.
You can choose bullet points or paragraph format. Either way, you get the details write without the fluff.
4. Translator
QuillBot translates text into 45+ languages. This isn’t just word-for-word translation. The AI understands context and keeps your meaning intact.
Whether you need to translate for professional communication or personal use, QuillBot works. It handles everything from simple sentences to complex paragraphs.
The text and emoji prediction settings make typing in foreign languages easier too.

5. QuillBot Keyboard
The features QuillBot keyboard brings are game-changing for mobile users. QuillBot’s mobile keyboard lets you paraphrase and check grammar right from your phone.
Whether you’re writing a text message or drafting an email, the AI writing keyboard helps. The QuillBot keyboard works on both iOS and Android 设备.
⚠️ Warning: Some users have reported the QuillBot mobile app has bugs. The paraphrasing tool may not work as well on mobile as desktop. Test the free version first before upgrading.
Introducing in app subscriptions made QuillBot premium available directly through the keyboard. Bug fixes are released regularly to improve the writing experience.
6. 抄袭检测器
The plagiarism checker scans your text against billions of web pages. QuillBot’s Plagiarism Checker helps ensure the 独创性 and authenticity of work.

This is crucial for academic integrity. Students can check their 学校 project before submitting. Professionals can verify their content creation is original.
The premium version includes 20 pages of checking per month. That’s enough for most users who want to maintain academic integrity.
7. Free Citation Generator
Need to create citations for a research paper? QuillBot includes a citation 发电机 that helps users create accurate citations in various styles such as APA, MLA, or Chicago.
The citation generator in QuillBot is designed to help maintain academic integrity by giving proper credit to original sources. This is an amazing tool for students and researchers.
💡 专业提示: Use the citation generator alongside the plagiarism checker. First, create citations for your sources. Then scan your paper to make sure nothing was missed.

8. QuillBot’s AI Chat
QuillBot now includes an AI chat feature. Think of it like having a writing partner available 24/7. You can ask questions, get suggestions, and brainstorm ideas.
This AI tool helps with writer’s block. Stuck on how to start? Ask the chat. Need a different angle? It suggests options. QuillBot makes writing feel less lonely.
The AI writing capabilities go beyond simple corrections. QuillBot refines your content and adds a personal touch write to everything you create.

9. AI Humanizer
Worried about AI generated content sounding robotic? The AI Humanizer fixes that. It takes AI-written text and makes it sound more natural.
This is useful for content creation at scale. You can use AI tools to draft content quickly. Then run it through the humanizer for a personal touch.
The humanizer helps you maintain different writing styles while keeping content readable and engaging. You can also customize dark themes in the interface for comfortable nighttime writing.

QuillBot Pricing: What Does It Cost?
| 计划 | 价格 | 最适合 |
|---|---|---|
| 自由的 | 0 美元(永久免费) | Casual users with basic needs |
| 高级月费 | 每月 19.95 美元 | Short-term users who want flexibility |
| 高级半年刊 | $13.31/month | Regular users wanting to save |
| 高级年费 | $8.33/month ($99.95/year) | Serious writers wanting best value |
| 学生 年度的 | $6.25/month ($74.95/year) | Verified students on a budget |
| 团队计划 | $7.50/user/month | Businesses with 5+ members |
QuillBot Flow is a centralized word processor that integrates research, note-taking, paraphrasing, and citations in one workspace. This shorten write feature helps when you need to cut your essay’s word count quickly.
免费试用: QuillBot offers a free version that never expires. No credit card needed. But the free version limits you to 125 words per paraphrase.
退款保证: Yes — 3-day full refund policy. Try QuillBot premium risk-free.
📌 笔记: Annual billing saves you $139.45 compared to monthly payments. The premium version unlocks all QuillBot features without limits.

Is QuillBot Worth the Price?
At $8.33/month on the annual plan, QuillBot pricing is very competitive. Grammarly charges around $12/month for similar features. You’re getting the best AI paraphrasing tool on the market for less.
You’ll save money if: You write regularly for work, school, or content creation. The time saved easily exceeds the cost.
You might overpay if: You only need occasional spell-checking. The free version might be enough for basic needs.
💡 专业提示: Grab the annual plan for the best value. If you’re a student, verify your status for 25% off. QuillBot’s terms include pausing your subscription during breaks so you don’t waste money.
QuillBot Pros and Cons
✅ What I Liked
Best Paraphrasing on the Market: No other AI tool comes close for rewriting text. The multiple writing modes give you total control over your output.
Excellent Grammar Checking: Caught more errors than Grammarly in my testing. The grammar checker is accurate and helpful for professional communication.
User Friendly Interface Makes It Easy: Clean design with no learning curve. The user interface is intuitive for beginners and pros alike.
Works with Everything: The QuillBot extension integrates with Google Docs, Microsoft Word, and web browsers. Write better anywhere you work.
价格实惠: At $8.33/month annually, QuillBot pricing beats most competitors. The support team also responds quickly to issues.
❌ What Could Be Better
Free Version is Limited: Only 125 words per paraphrase on the free version. Heavy users will need to upgrade quickly.
Mobile App Has Issues: QuillBot’s mobile keyboard can be glitchy. Some users report crashes and bugs on iOS. The app privacy and 数据 safety could be better documented.
Sometimes Produces Awkward Phrasing: The paraphrasing tool occasionally creates unnatural sentences. Users have noted that QuillBot’s grammar checker sometimes provides poor suggestions. Always review the output.
🎯 Quick Win: Start with the free version to test if QuillBot works for your writing style. Then upgrade to premium when you hit the word limits.
Is QuillBot Right for You?
✅ QuillBot is PERFECT for you if:
- You’re a student who needs to paraphrase sources for papers
- You need help improving your writing skills
- You create content regularly and want to save time
- You want an AI tool with multiple writing modes
- You need translation support for 45+ languages
❌ Skip QuillBot if:
- You only need basic spell checking
- You write less than once a week
- You prefer Grammarly’s tone detection features
My recommendation:
If you write anything — essays, emails, blog posts, reports — QuillBot is worth trying. The paraphrasing tool alone justifies the cost. Start with the free version and upgrade when you’re hooked.
QuillBot vs Alternatives
How does QuillBot stack up? Here’s the competitive landscape:
| 工具 | 最适合 | 价格 | Rating |
|---|---|---|---|
| QuillBot | Paraphrasing & writing assistance | $8.33/mo | ⭐ 4.5 |
| Grammarly | Advanced grammar & tone | 每月 12 美元 | ⭐ 4.7 |
| Paperpal | Academic writing | 每月9美元 | ⭐ 4.3 |
| Writesonic | 人工智能内容生成 | $16/mo | ⭐ 4.2 |
| 短语 | SEO 内容写作 | $15/mo | ⭐ 4.4 |
| 科学空间 | Research papers | $10/mo | ⭐ 4.3 |
| 引出 | Research assistance | Free/$10/mo | ⭐ 4.2 |
Quick picks:
- Best overall: QuillBot — best paraphrasing tool with competitive pricing
- Best for grammar: Grammarly — more robust tone and style suggestions
- Best for students: QuillBot — affordable with citation generator
- Best for SEO writers: Frase — combines writing with 关键词研究
QuillBot Alternatives
- Paperpal: 专注于完善现有学术内容,提出改进清晰度、连贯性和符合学术标准的建议。
- 夜木: 一款旨在帮助研究人员快速掌握研究论文要点的工具,有助于高效吸收信息。
- Writesonic: 一个由人工智能驱动的平台,用于创建各种内容格式,包括博客文章、营销文案和产品描述。
- 短语: 一个人工智能内容平台,可辅助进行研究、写作和搜索引擎优化,旨在提高内容的有效性。
- 共同编剧: 一款旨在简化研究和写作任务的人工智能助手,旨在提高这些过程的效率。
- 引出: 一种人工智能工具,它利用从学术论文中提取的信息直接回答研究问题,从而辅助文献综述。
- 科学空间: 一个为研究人员快速理解和分析科学论文而创建的平台,提供摘要和解释等功能。
- 斯赛特: 通过显示其他研究如何引用论文,帮助评估研究的可靠性,并指出支持或反驳的证据。
- Quillbot: 主要是一种释义和概括工具,可以在保留原文含义的同时改写文本,有助于避免抄袭和提高清晰度。
- Grammarly: 一款人工智能写作助手,可以检查语法、拼写和标点符号,并提供风格和语气改进建议。
- 纸指南: 可作为人工智能研究助手,帮助简化研究论文中的复杂概念,并协助进行文献综述和整理。
QuillBot Compared
- Quillbot 对阵 Paperpal: Quillbot 提供多功能的释义和总结功能,而 Paperpal 则专为提升学术写作能力而设计,并提供详细的反馈。
- Quillbot 对战 Jenni: Quillbot 擅长释义和语法检查,而 Jenni 则专注于利用人工智能生成各种写作需求的内容。
- Quillbot 对战 Yomu: Quillbot 提供强大的释义和引用工具,而 Yomu 则侧重于人工智能文本生成和简化的研究引用管理。
- Quillbot 对战 Writesonic: Quillbot 以其释义和风格调整而闻名,而 Writesonic 则专注于生成各种营销和博客内容。
- Quillbot 对阵 Frase: Quillbot 专注于改写和改进现有文本,而 Frase 则有助于进行 SEO 驱动的内容研究和创作。
- Quillbot vs CoWriter: Quillbot 提供释义和语法帮助,而 CoWriter 旨在提供全面的 AI 写作体验,以实现清晰和精确。
- Quillbot 对比 Elicit: Quillbot 通过释义帮助改进写作,而 Elicit 则使用从论文中提取的信息直接回答研究问题。
- Quillbot vs SciSpace: Quillbot 有助于改写和总结,而 SciSpace 则旨在高效地理解和分析科学文献。
- Quillbot 对阵 Scite: Quillbot 有助于提高写作清晰度,而 Scite 则通过引用上下文来帮助评估研究可靠性。
- Quillbot 对比 Grammarly: Quillbot 主要是一款释义和总结工具,而 Grammarly 则专注于全面的语法、拼写和风格检查。
- Quillbot 与 Paperguide 的对比: Quillbot 可以帮助用户改写和总结文本,而 Paperguide 可以帮助用户浏览和理解科学文献。
My Experience with QuillBot
Here’s what actually happened when I used QuillBot:
The project: I used QuillBot daily for blog posts, client reports, and email writing over 90 days.
时间线: 3 months of heavy use
结果:
| Metric | Before QuillBot | After QuillBot |
|---|---|---|
| Time to write 1000 words | 2 hours | 1.2 hours |
| Grammar errors per article | 15-20 | 2-3 |
| Revision rounds needed | 3-4 | 1-2 |
What surprised me: QuillBot helps more than I expected. The expand mode and shorten mode saved me when hitting word count targets. QuillBot works seamlessly with Google Docs.
What frustrated me: The free version is too limited for real work. I had to upgrade within a week. Some users have expressed dissatisfaction with the accuracy of QuillBot’s paraphrasing tool — I found this true for technical content where it sometimes produces awkward results.
Would I use it again? Yes, absolutely. QuillBot is now part of my daily writing process. The useful tool paid for itself in time saved within the first month.
Final Thoughts: Should You Get QuillBot?
Get QuillBot if: You write regularly and want to improve quality while saving time. It’s especially valuable for students, bloggers, and professionals.
Skip QuillBot if: You rarely write or only need occasional spell-checking. The free version might cover basic needs.
My verdict: After 90 days of testing, QuillBot earned its place as my primary writing assistant. The paraphrasing tool is unmatched. The grammar checker catches what others miss. And the price is fair for what you get.
QuillBot has evolved from a specialized rephrasing tool into a comprehensive suite for students and professionals. With 30 million monthly users, it’s clearly doing something right.
Rating: 4.5/5
常见问题解答
Is QuillBot worth it?
Yes, QuillBot is worth it for anyone who writes regularly. The paraphrasing tool alone saves hours of work. At $8.33/month on the annual plan, it’s cheaper than hiring an editor. The premium version unlocks unlimited features that make writing painless.
Is QuillBot really free?
Yes, QuillBot offers a free plan that never expires. The free version includes basic paraphrasing (125-word limit), grammar checking, and summarizing. However, heavy users will want the premium version for unlimited access to all features.
Can QuillBot be detected by AI?
QuillBot paraphrased content can sometimes be detected by AI 探测器, but it’s designed to create unique text. The AI Humanizer feature helps make content sound more natural. For academic work, always cite your sources properly to maintain academic integrity.
Is QuillBot better than Grammarly?
QuillBot is better for paraphrasing and rewriting content. Grammarly is better for advanced tone and style suggestions. Many writers use both tools together — QuillBot for paraphrasing and Grammarly for final polish. QuillBot is also more affordable at $8.33/month vs Grammarly’s $12/month.
Is using QuillBot considered cheating?
Using QuillBot is not cheating when used ethically. It’s a writing assistant that helps improve your work, similar to a spell checker. However, using it to pass off others’ work as your own would violate academic integrity. Always cite sources and use QuillBot to improve your own writing, not replace it.













