Is QuillBot Worth It? My Honest 2026 Review After 90 Days

Is QuillBot Worth It?

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.

Mệt mỏi vì cứ nhìn chằm chằm vào trang giấy trắng?

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.

Hãy dùng thử Quillbot miễn phí!

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 Công cụ AI 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 Công cụ AI 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 sử dụng 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.
• Giao diện thân thiện với người dùng: The user interface is clean and simple. No confusing menus. No tech skills needed. Just paste your chữ and click. The user friendly interface makes it easy for anyone.
• Nhiều chế độ viết: 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.
• Có tác dụng ở mọi nơi: 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. Công cụ kiểm tra ngữ pháp

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. Người tóm tắt

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 thiết bị.

⚠️ 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. Công cụ kiểm tra đạo văn

The plagiarism checker scans your text against billions of web pages. QuillBot’s Plagiarism Checker helps ensure the tính độc đáo and authenticity of work.

This is crucial for academic integrity. Students can check their trường học 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 máy phát điện 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.

💡 Mẹo hay: 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?

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.

Dùng thử miễn phí: QuillBot offers a free version that never expires. No credit card needed. But the free version limits you to 125 words per paraphrase.

Đảm bảo hoàn tiền: Yes — 3-day full refund policy. Try QuillBot premium risk-free.

📌 Ghi chú: 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.

💡 Mẹo hay: 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

❌ What Could Be Better

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:

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 nghiên cứu từ khóa

QuillBot Alternatives

QuillBot Compared

• Quillbot so với Paperpal: Quillbot cung cấp khả năng diễn đạt lại và tóm tắt linh hoạt, trong khi Paperpal được thiết kế riêng để nâng cao kỹ năng viết học thuật với phản hồi chi tiết.
• Quillbot đấu với Jenni: Quillbot nổi trội trong việc diễn đạt lại và kiểm tra ngữ pháp, trong khi Jenni tập trung vào việc tạo nội dung bằng trí tuệ nhân tạo cho nhiều nhu cầu viết khác nhau.
• Quillbot đấu với Yomu: Quillbot cung cấp các công cụ diễn giải và trích dẫn mạnh mẽ, trong khi Yomu tập trung vào việc tạo văn bản bằng AI và quản lý trích dẫn được tối ưu hóa cho nghiên cứu.
• Quillbot so với Writesonic: Quillbot nổi tiếng với khả năng diễn đạt lại và chỉnh sửa văn phong, trong khi Writesonic chuyên tạo ra nội dung tiếp thị và blog đa dạng.
• Quillbot đấu với Frase: Quillbot tập trung vào việc diễn đạt lại và cải thiện văn bản hiện có, trong khi Frase hỗ trợ nghiên cứu và tạo nội dung tối ưu hóa SEO.
• Quillbot so với CoWriter: Quillbot cung cấp tính năng diễn đạt lại và hỗ trợ ngữ pháp, trong khi CoWriter hướng đến việc cung cấp trải nghiệm viết toàn diện bằng trí tuệ nhân tạo để đạt được sự rõ ràng và chính xác.
• Quillbot so với Elicit: Quillbot giúp hoàn thiện bài viết thông qua việc diễn đạt lại, trong khi Elicit trực tiếp trả lời các câu hỏi nghiên cứu bằng cách sử dụng thông tin được trích xuất từ ​​các bài báo.
• Quillbot đấu với SciSpace: Quillbot hỗ trợ việc diễn đạt lại và tóm tắt, trong khi SciSpace được thiết kế để hiểu và phân tích tài liệu khoa học một cách hiệu quả.
• Quillbot đấu với Scite: Quillbot giúp cải thiện sự rõ ràng trong văn bản, trong khi Scite hỗ trợ đánh giá độ tin cậy của nghiên cứu thông qua ngữ cảnh trích dẫn.
• Quillbot so với Grammarly: Quillbot chủ yếu là công cụ tóm tắt và diễn đạt lại văn bản, trong khi Grammarly tập trung vào kiểm tra ngữ pháp, chính tả và văn phong toàn diện.
• Quillbot so với Paperguide: Quillbot hỗ trợ diễn đạt lại và tóm tắt văn bản, trong khi Paperguide giúp định hướng và hiểu các tài liệu khoa học.

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.

Dòng thời gian: 3 months of heavy use

Kết quả:

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

Câu hỏi thường gặp

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 máy dò, 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.