QuillBot AI Review In Depth For 2025

In the ever-evolving world of AI-powered writing assistants, QuillBot has remained a favourite among students, writers, and professionals. Whether you need to paraphrase content, check grammar, summarize articles, or generate citations, QuillBot promises to streamline the writing process. But how well does it perform in 2025? Has it improved over previous versions, and is it still worth using compared to alternatives like Grammarly, Wordtune, or ChatGPT-powered tools?

In this detailed QuillBot AI review for 2025, we’ll explore:
✅ New features and updates that make QuillBot more powerful
✅ How accurate and efficient its paraphrasing, grammar, and summarizing tools are
✅ Pros and cons based on real-world testing
✅ How QuillBot stacks up against competitors
✅ Pricing and value for money – Is the premium plan worth it?

Whether you’re a student looking for plagiarism-free rewording, a blogger trying to improve content quality or a professional who needs flawless grammar, this review will help you decide if QuillBot is the right tool for you in 2025. Let’s dive in! 🚀

1. What is QuillBot AI?

History Of QuillBot

Launched in 2017 by computer science graduates Rohan Gupta, Anil Jason and David Silnin, QuillBot aims to writing effortless. QuillBot was started to help students and professionals cut their writing time and get error-free content. All the free founders were tech geeks and met at the University of Illinois at Urbana Champaign as computer science students. Co-founders Anil and David were friends from the early days and known for taking part in hackathons together. They even won 11 in a row, while Anil and Rohan met at the iVenture Accelerator at UIUC, a programme that offers nurturing opportunities for student-backed startups to create economic and social value. 

In the year 2020, QuillBot acquired $4.25 million in funding from Sierra Ventures and GSV Capital. Prior to that, the company was bootstrapped by its founder. Currently, QuillBot has 46 + employees of which 35 + are based in India and rest in the USA. Rohan Gupta is the CEO, Anil Jason is CTO and David Silin is the CSO of the company and they have a hands-on approach to working in the company. 

Core functions

QuillBot is an AI-powered writing and paraphrasing tool designed to assist with content creation, rewriting, and grammar correction. Here are its core functions:

Paraphrasing Tool – Helps rewrite the text in different styles while retaining the original meaning.

Grammar Checker – Identifies and corrects grammatical, spelling, and punctuation errors.

Summarizer – Condenses long articles, essays, or reports into shorter versions.

Plagiarism Checker (Premium) – Detects copied content to ensure originality.

Co-Writer – An AI-powered writing assistant for drafting and editing content.

Citation Generator – Generates citations in APA, MLA, and Chicago formats.

Translator – Provides multilingual translation capabilities.

Tone Adjustment – Allows users to change the tone of the text (formal, casual, creative, etc.).

Word & Sentence Expander – Helps add more details and clarity to content.

Word & Sentence Shortener – Simplifies and shortens text for better readability.

Who uses QuillBot AI?

QuillBot is a full-stack writing tool that can be used by various individuals and professionals alike. Students can use it to improve their essay writing work, assignments and research paper by making their writing more clear and free from grammar errors. 

Researchers can use QuillBot to summarize and refine their research papers for better readability, while writers and bloggers can use it to make their content more readable, make sentences easier to read and keep their content unique. Digital marketers can also use QuillBot to make their marketing copies look more eye-catching and appealing.

Business professionals can leverage QuillBot for drafting emails, and reports and fine-tuning their official documents with proper grammar and tone. Overall, QuillBot is a full-stack writing assistant that can be used by anyone looking to enhance the quality of content. 

2. Features and Functionalities

Paraphrasing Tool

The number one feature of QuillBot is the paraphrasing tool which will help you to spin content and different styles and languages. This is a great feature of make your article more unique and save time. You can start by simply pasting your text and clicking on the Paraphrase button to get started. You can also decide whether you need a few or more changes in the content based on its similarity. There are more than 50+ languages in which you can spin your content and there are more than 7 styles allowing you to choose the best fit for you. 

That’s not all. The tool also gives you the option to use synonyms using AI-backed thesaurus. You can choose the best-fit word for your content. You can also use its synonym slider to change more or less of your writing. Moving the slider to the left will help you generate a more accurate rephrase with fewer changes. Moving the slider to the right means you will get more creative output.

Grammar and Spell Checker

Now here comes the feature of QuillBot that will surely take your writing to the next level. 

QuillBot’s online free grammar checker is a go-to tool for anyone who wants to fix grammatical error and spelling mistakes of your writing work online in a quick time. 

You get a complete overview of your writing score along with the grammar errors found in your content by QuillBot’s AI tool. You can either manually check the errors and correct them one by one by clicking on the red highlight word and changing it with the suggestion. To save time, you can directly click on Accept All and the tool will fix all the suggested error for you within a few seconds. 

The tool also corrects both misspelt and misused words, so you never have to worry about spelling rules or the differences between homophones again. Your writing will be improved, professional and polished.

QuillBot’s grammar check goes beyond basic checking and suggestions. It takes a holistic view of your writing to help you communicate more fluently, concisely, and clearly. If you need to boost readability or simplify an overly complex statement, it’s just the tool for you.

Besides, QuillBot’s grammar-checking tool can be used to make your text in German, French, Spanish, Brazilian Portuguese, Swiss German, and Dutch. 

Here are the reasons why QuillBot’s grammar-checking tool is the best of all the other tools in the market.

-It checks your writing for mistakes and suggests only important changes.

-It understands your meaning, not just your words.

-It’s easy to use and gives you full control.

-It explains why each change is needed so you can improve.

-You can use it online or as an extension for Chrome, Edge, and Word.

– You get all these benefits without needing to sign up or pay.r

Summarizer Tool

The AI text summarizer will help you to make your content short and crisp by removing unnecessary words, sentences and jargon to make your content more subtle and readable. It uses natural language processing to locate critical information while maintaining the original context same and intact. In the free version, you can summarize upto 600 words and upgrade to a paid version for more features. 

There is also a lenght slider button by which you can easily control the lenght of your article. Your content output can also be in bullet points into easy-to-read text. This feature can be leveraged by anyone who wants to make key points for any long text, blogs, research papers, news or some research articles and more. 

Whether you’re taking notes, researching, working on a writing project, or just doing some reading, this customizable tool can help you save time and energy while broadening your understanding of different topics.

Citation Generator

Let me start by explaining to you what is a citation generator

A citation is a reference to a source of information used in academic and research work. It provides details about books, journal articles, websites, or other sources that support an argument, theory, or research findings. Citations help:

Give credit to original authors.

Avoid plagiarism by acknowledging sources.

Support claims with credible references.

Help readers locate the original source.

A citation generator is an online tool that automatically creates formatted citations for academic and research purposes. It simplifies the process of referencing by generating citations in various styles based on the provided details (e.g., author name, title, publication year).

With QuillBot’s free AI citation generator, you can have over 1000 styles of citations including APA, MLA and Chicago style which are widely used. Writers and researchers from top institutes like IIM Bangalore, IIT Kharagpur, VIT University and SRM University use QuillBot’s use AI citation generator to cite their research work. 

Plagiarism Checker (New for 2025?)

The online plagiarism checker by QuillBot tells you where citations are missing in your content and whether your content is unique or not. To use this feature, you need to upgrade to the premium account of QuillBot. The upgraded version of this feature will accurately review all the plagiarized writing in your content and provide a detailed report and score. 

You will also be getting links of the work or a content piece that matches your existing content. Based on the score, you can make modifications in your content and make it copy-free. QuillBot’s plagiarism checker allows you to scan text in more than 100+ languages including English, French, Spanish, Japanese, German, Greek and a lot more.

QuillBot’s Plagiarism Checker utilizes advanced machine learning algorithms to compare a piece of writing against a vast database of existing content. Its AI analyzes both the semantics and wording to identify any instances where content may have been taken from other sources without proper citation. After completing the scan, the tool provides a similarity score, indicating the percentage of text that is potentially plagiarized.

AI Checker

If you are into SEO, then you already know that AI content can negatively affect your SEO. Although I am not against AI content, but it should be used in moderation with care. If you have generated your content with AI tool and want to check its quality, then use QuillBot’s AI detection tool which is 100% accurate. 

Most and AI-generated content. However, QuillBot’s AI detection goes beyond simple detection. First, QuillBot distinguishes how AI was used to create your content. Their analysis is done based on four key points. AI-generated content, AI-generated and AI-refined content, human-written and AI-refined content and human-written content. 

In this way, you can know which sections of your content is AI generated, which is AI refined and which is written by humans. Secondly, QuillBot also offers feedback on every section of the article, so always know which sentences or word are AI-generated. This will help you with editing and re-writing your content. 

AI-Powered Writing Assistant

Although I don’t use QuillBot’s AI humanizer but you can leverage it to make your content AI-free if you have generated content with the help of AI writing tools. It works by using natural language processing to check your writing and find ways to make it human-sounding way without changing the context of your content. The AI makes some modifications and refines sentence structure all while keeping the original meaning of your content intact. 

Overall, QuillBot’s Humanizer tool enhances the natural flow of any written content, making it sound more human and engaging. It works effectively for various types of writing, including blog posts, articles, social media content, professional emails, and essays. Whether for short or long-form writing, this tool helps improve readability and ensures a more authentic tone.

Language Translator

The next top feature of this QuillBot AI review is the language-translation tool which gives accurate translations within a few clicks. This is a versatile feature those who work on multilingual content and when there is a constant urge to translate the written content in a different language. The paid version of the QuillBot has 50+ different languages and dialects to chose from, while the free version has only a few. 

QuillBot’s Translator allows language learners to automatically translate sentences, words, or entire paragraphs while displaying both languages side by side. This helps users understand sentence structure, word choice, and verb conjugation more effectively. Additionally, its intelligent AI can interpret idioms and other language nuances, making learning smoother and more intuitive.

QuillBot Flow 

QuillBot’s flow is a feature that combines all QuillBot’s tools in one location, allowing you to paraphrase, summarize, create citations and write your content without having to shift to multiple tools. 

It has a “Suggest Text” button that allows you to leverage AI to create the next sentence based on what you have written previously in your content. When you click on the “Suggest Text” button, the QuillBot Flow will examine the previous text and then suggest you drop down the list for your next sentence. You can choose the best-fit text for your content. 

3. User Experience and Interface

Each of the tools that come along with QuillBot is very simple to use with a clean user interface and easy navigation which makes it friendly for beginners. 

All the tabs and buttons are carefully placed and equidistant so that users can get the best experience and get their job done in a quick time. 

4. Pricing and Subscription Plans

• Free vs. Premium: What’s included?
• Is the premium version worth it?
• Comparison with competitors (Grammarly, Wordtune, etc.)

5. Pros and Cons of QuillBot AI in 2025

Pros ✅

✔ Advanced AI for rewriting – QuillBot uses cutting-edge AI to improve text clarity and coherence.
✔ Improved grammar and spell check – Enhanced accuracy in detecting and correcting errors.
✔ Affordable compared to alternatives – Offers competitive pricing for premium features.
✔ Useful for academic and professional writing – Ideal for students, writers, and professionals.

Cons ❌

❌ Free version limitations – The free plan has word limits and fewer features.
❌ Accuracy concerns in some paraphrasing cases – AI may not always retain the intended meaning.
❌ AI-generated content detection issues – Some rewritten content may still be flagged by AI detectors.

Who Should Use QuillBot in 2025?

Students can use online tools to improve writing, check grammar and citations. AI tools can also summarize long texts and make study notes, make learning more efficient. But it should not replace critical thinking and original analysis.

Content writers struggle with idea generation, grammar checking and plagiarism-free content. Tools like AI writing assistants, plagiarism detectors and grammar checkers refine language and improve readability. While these tools are helpful, writers must ensure their content is original and engaging.

Marketers benefit a lot from SEO tools, keyword research platforms and content automation software. These tools help them optimize campaigns, track engagement and generate content ideas. But successful marketing still requires human creativity, strategic thinking and an understanding of audience psychology.

Researchers use databases, AI summarizers and citation managers to manage large amounts of information efficiently. But these tools sometimes miss nuanced interpretations that only human expertise can provide.

When It’s Helpful

These tools are most helpful when it comes to saving time and improving content. Automating repetitive tasks like proofreading, data analysis and keyword research allows professionals to focus on higher level work. AI writing tools also generate new ideas, make content creation smoother. SEO tools help marketers optimize their strategy by giving them insights on keywords, trends and competition analysis.

When It’s Not Helpful

Despite the benefits, these tools have limitations. Overuse of AI generated content can result to generic or inaccurate writing which lacks originality. Creativity is another area where AI fails, it can’t match the depth and emotional connection that human writers bring to their work. Privacy concerns also arise when using online tools that require sensitive data input. And AI-generated research summaries might misinterpret key points and lead to incomplete or misleading conclusions.

FAQs About QuillBot AI Review