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Grammar Checker vs QuillBot Comparison (2026)

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Grammar Checker

QuillBot

Overview

Grammar Checker is a free online grammar checker that can proofread and grammar check your text. It includes more than 3000 rules to help you proofread and grammar check your text.

Cloud-based AI writing suite for individuals and teams, offering paraphrasing, grammar checking, plagiarism detection, and AI-assisted.

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Video & Screenshots

No screenshots yet

Pricing

Starting from

Free

Free trial available
Credit cardless trial
Free account
Subscription based

Starting from

2.91

/user

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

User reviews

4.7

101

Value for money

Ease of use

Features

Customer support

91%

would recommend this app

4.5

157

Value for money

Ease of use

Features

Customer support

85%

would recommend this app

Pros

“i don't have to worry about checking my grammar while typing, I can quickly type in my work and know that it has my back.”

Betty W.

Sales

“Grammar Checker gives me the confidence I need when it comes to ensuring my spelling, punctuation, and grammar are up to standard prior to sending out these communications.”

Zachary H.

HR Generalist

“Grammar Checker is an Al-powered writing tool that finds your grammatical errors and spelling mistakes.”

Kyla P.

Manager

Pros

“Proofreading is much faster, and the rephrasing feature is a godsend when I need to make content more digestible to younger people and/or parents without sacrificing its meaning.”

Katherine R.

School Administrator

“It could be even more useful for primary or secondary school administrators with a few modifications of the customization features.”

Katherine R.

School Administrator

“It’s a major timesaver for proofreading and makes editing quicker.”

Katherine R.

School Administrator

Cons

“not able to operate offline and takes time to offer text analysis especially in poor internet area”

Mulenga C.

Blogger

“I get an error message of it not adaptable to my computer's OS or something similar to that.”

Mokutmfon E.

Blogger

“I could generate plagiarism checked report only by disabling other options but the new version have no such function.”

Biranchi P.

Writer

Cons

“The second drawback is that it needs to be improved by having an AI detector that can read less than 80 words.”

jiyu p.

Virtual assistant

“I know I have to read more than 80 words to truly tell if it was created by AI, but sometimes I'm at about 78 words and I can't roll it, which irritates me.”

jiyu p.

Virtual assistant

“Lack of prorated refund options”