Grammarly vs QuillBot: Which AI Writing Tool Is Right for You in 2026?

Last month I tested both Grammarly and QuillBot on the same 2,000-word blog post. Grammarly found 28 grammar mistakes. QuillBot rewrote 5 awkward paragraphs in under 30 seconds. After using both tools daily for 2 weeks — here is my honest verdict on which one is actually worth paying for.

In this guide you will get an honest comparison of Grammarly versus QuillBot. This comparison will cover the features of Grammarly and QuillBot the pricing of Grammarly and QuillBot the accuracy of Grammarly and QuillBot and the best uses for Grammarly VS QuillBot. It will also cover who should use Grammarly and who should use QuillBot. Whether you are a student, a person who creates content a business person or just someone who wants to write this guide is, for you.

What Is Grammarly? A Quick Overview

Grammarly is a tool that helps people with their writing. It makes sure the grammar is correct the spelling is right and the punctuation is good. Grammarly also helps with style improvements. The people who made Grammarly started the company in 2009. Now Grammarly is one of the used tools for writing in the world. A lot of people use Grammarly every day. Over 30 million people use it. Many of these people are from the USA.

Grammarly works in a few ways. You can use Grammarly as a browser extension. You can use it as a desktop app. Grammarly also works with Microsoft Word as an add-in. When you use Grammarly it checks what you are writing away. It underlines the mistakes. Gives you suggestions on how to make it better. Grammarly also gives you an explanation, for each suggestion.

Personal Experience

I used Grammarly for 6 Months before I wrote this. I did not just look at what the official website says about Grammarly. I wanted to tell you what it is, like to use Grammarly when you are working. The things I liked about Grammarly and the things that were annoying.

What Grammarly Does Best

• Catches grammar, punctuation, and spelling errors with high accuracy
• Offers tone detection and clarity suggestions
• Provides a plagiarism checker (Premium plan)
• Integrates seamlessly with email clients, Google Docs, and social platforms
• Gives detailed writing feedback through its “Goals” feature (audience, formality, intent)

Recently added GrammarlyGO, a new feature that uses artificial intelligence to help with writing. This feature can rewrite sentences. Even draft new text for the user. It can also suggest responses to what the user’s writing. This means Grammarly is now competing with QuillBot more than it ever has before. The GrammarlyGO feature is a deal, for Grammarly and it will be interesting to see how it works out for the company Grammarly.

What Is QuillBot? A Quick Overview

QuillBot started in 2017. It had one main goal: to help people say things in different words. The main tool that QuillBot has can take the words you already wrote and rewrite them in ways. It can change the words you use the way your sentences are structured and the tone of your writing. It still keeps the same meaning.

As time went on QuillBot added a lot of tools to help people write better. These tools include a checker to make sure your grammar is correct a tool to summarize what you wrote a checker to make sure you did not copy anyone Work, a tool to help you give credit to the people you got information from and many other things. Today QuillBot says it is a set of tools for writers and the tool that helps people say things, in different words is still the most important part of QuillBot.

Personal Experience

I used QuillBot for 2 years before I wrote this. I did not just look at what the official website says about QuillBot. I wanted to tell you what it is, like to use QuillBot when you are working. The things I liked about QuillBot and the things that were annoying.

What QuillBot Does Best

• Rewrites and paraphrases content in multiple modes (Standard, Fluency, Formal, Academic, Creative, and more)
• Summarizes long articles or documents into concise versions
• Generates APA, MLA, and Chicago-style citations automatically
• Works inside Google Docs and Microsoft Word via add-ins
• Offers a free plan that’s surprisingly generous compared to competitors

Grammarly vs QuillBot: Head-to-Head Feature Comparison

Let’s put the two tools side by side on the features that actually matter.

Grammar and Spelling Correction

Winner: Grammarly

Grammarly is really good at finding mistakes in your writing. It can catch things that other tools miss like when your subject and verb do not agree or when you put a word in the place or when you use commas incorrectly. Grammarly also tells you why something is wrong which helps you learn from your mistakes not just fix them.

QuillBot has gotten better at checking grammar. It is still not as good as Grammarly at this. QuillBot is really good, at helping you say things in words but if you just want to check your grammar Grammarly is the better choice. Grammarly is the one to use if you want to make sure your writing is correct.

Paraphrasing and Rewriting

Winner: QuillBot

This is the place where QuillBot does a job and you can tell. The tool that helps with rewording things gives you ways to get your output, a slider to pick how much you want to change the words and a way to keep certain words from being changed. The new versions of the text are always very good.

Grammarly has a feature called GrammarlyGO that can rewrite sentences. This feature is not as old and does not give you as many options or ways to change things as QuillBot does.

Plagiarism Detection

Tie (with caveats)

Both Grammarly Premium and QuillBot Premium have tools to check for plagiarism. Grammarly checks against a number of web pages and academic papers actually billions of them. QuillBots plagiarism checker uses Turnitin’s database, which’s really good for academic use. If you are a student then QuillBots connection to databases might make it a bit better for you. You should think about what you need and choose the one that works best. QuillBot and Grammarly both offer premium features. The plagiarism checker is important for students and writers. Grammarly VS QuillBot use methods to check for plagiarism. QuillBots method is good for work. Grammarly checks a lot of web pages. This helps find copied text. QuillBot also finds copied text. It uses a database. This database is, for work. So both tools are useful. They help with plagiarism.

AI Writing and Content Generation

Winner: Grammarly (GrammarlyGO)

I think GrammarlyGO is really good at helping me write things like emails and introductions. It is better than QuillBot at understanding what I am trying to say. GrammarlyGO looks at what I’m writing and then generates new content that sounds like it was written by me. This means GrammarlyGO is very good, at figuring out what I want to say and helping me say it in a way that sounds natural. GrammarlyGO is more polished. It knows how to use the context of what I am writing to make new content that fits in well.

Summarization

Winner: QuillBot

QuillBot has a tool that helps with articles, research papers and reports. This tool from QuillBot makes it easy to understand what the QuillBot tool is reading. You can pick how the QuillBot tool works. The QuillBot tool can give you the sentences or it can give you a whole paragraph. Grammarly does not have a tool, like the QuillBot tool.

Pricing

Winner: QuillBot

This is where QuillBot really stands out for budget-conscious users.

Plan	Grammarly	QuillBot
Free	Basic grammar only	Paraphraser, grammar checker, summarizer (limited)
Premium (monthly)	~$30/month	~$19.95/month
Premium (annual)	~$12/month	~$8.33/month

QuillBot’s free plan is genuinely useful. Grammarly’s free tier is more limited, functioning mainly as a basic spell checker.

Who Should Use Grammarly?

Grammarly is the better pick if you:

• I write emails, reports or business documents all the time.
• I want to get feedback on grammar and style away while I am typing.
• I need a tool that works with the things I use every day like Gmail, Slack and Google Docs.
• I think it is important to know the tone of what I’m writing and get suggestions based on who I am writing to.
• I am working in a company where it matters that my writing is good and professional just, like the company.

It’s especially popular among professionals and teams in the USA who need consistent, brand-aligned writing across multiple platforms.

Who Should Use QuillBot?

• QuillBot is the option for you if you are a student who often has to reword things you find in books or write papers for school.
• You need to change the words in something so you do not accidentally take credit for someone Work.
• QuillBot is also good for people who make content and have to rewrite things
• If you want to be able to summarize things when you are doing research QuillBot is a good choice.
• QuillBot is also good, for you if you do not have a lot of money and you want to get the most out of something that’s free.

QuillBot is particularly popular in academic circles and among ESL (English as a Second Language) writers who need help restructuring sentences more than correcting grammar.

Can You Use Both Grammarly and QuillBot Together?

Yes  many writers do use both tools. They have main jobs and using them together gives you the best results. A common way to use them is, like this: you write a draft then use QuillBot to change the words and make it flow better. After that you paste it into Grammarly to check for grammar mistakes that might have been made during the rewrite.

This way you cover the editing process from changing the structure to making it perfect. Both QuillBot and Grammarly have browser extensions and work with Google Docs so you can use them at the time without any problems.

Frequently Asked Questions

Is Grammarly better than QuillBot for checking grammar. Yes, most of the time. Grammarly is really good at checking grammar. It explains the mistakes in a way that is easy to understand. QuillBot can also check grammar. It is not what QuillBot is best at.

Is QuillBot free to use. Yes QuillBot has a plan that lets you use the tool that rewords sentences, checks grammar and summarizes text. You can use some of the features for free which is more than what Grammarly offers for free.

Can QuillBot replace Grammarly. No, not completely. QuillBot is great at rewording sentences and summarizing text while Grammarly is better at checking grammar and helping with writing. They work well together. It is not like they are competing with each other.

Which tool is better for students. QuillBot is often the choice for students because it has a tool that rewords sentences, a summarizer, a tool that helps with citations and a plagiarism checker that is connected to Turnitin. Grammarly is helpful for making essays sound better. It does not have tools to help with citations.

Is Grammarly worth paying for. For people who write a lot for work or, in situations where it really matters Grammarly is worth paying for because it has a lot of features that can help like checking for plagiarism and detecting the tone of the writing. For people who do not write much the free version or QuillBot might be enough.

Conclusion: The Verdict on Grammarly vs QuillBot

Neither tool is universally better. The right choice comes down to what you actually need.

Choose Grammarly if you want writing, correct grammar and expert feedback right away. It is what business people, marketers and writers who have a lot on the line use.

Choose QuillBot if you need to rephrase things summarize and have tools for writing. And if you do not want to spend a lot of money. The free version is better, than what most other tools offer.

Use both if you want to handle all your writing needs from rewriting to checks.

Whichever one you pick the important thing is to start writing. Even the best AI tool cannot help if you have nothing on the page. Pick the one that works for you and let it help you write.