11 Free Grammar Checker Apps and Tools in 2021

| Created on June 5, 2020

Updated on July 27, 2021

Grammar check app

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Grammar checker apps detect grammatical errors and provide suggestions that fits the context. You can easily check all types of content in different languages for complicated sentences, incorrect words, overused words and spelling errors. Grammar checker apps are useful in improving the writing style and clarity.

Grammar checker app

List of Free Grammar Checker Tools

Punctuation issues, repetitions, complex words, or overused sentences, grammar checker app will ensure neat and qualitative write-ups.

Name of the App Pricing Free Version Apps  
QuillBot₹2,900 per monthAvailableWindows, Mac, Android & iOS
GrammarlyOnline premium plan is for ₹2,250 per month.

Yearly subscription available for
₹ 11250.
AvailableAndroid and iOS  
Ginger Single license plan costs around ₹ 7,048.

Plan for up to ten users available at
₹ 54,893.
AvailableAndroid and iOS
WhiteSmoke Web Plan– ₹ 377 per annum

Monthly Plan– ₹ 502 per annum

Business Plan– ₹ 867 per annum  
AvailableOnline web version (free)
ProWritingAid Premium Plan– ₹ 4200 per annum

Premium Plus Plan– ₹ 4900 per annum  
Two-week free trial versionWeb editor available for mobile devices
Hemingway Editor Hemingway Editor is available for around ₹ 1500 Yes, free online web editor version is available Free web version  
GrammarCheck GrammarCheck is a free grammar check app AvailableFree online editor
Reverso Premium plans and their details can be availed by contacting the software vendor’s official website.   Free web-based version available Android and iPhone/iPad  
After the Deadline Free AvailableWeb-based (free)
GradeProof Pro plan at ₹ 752 per month AvailableiOS
Slick Write Free AvailableWeb-based
  • QuillBot

Best for: Enhancing vocabulary & summarizing content

QuillBot paraphrasing tool is a web-based solution, which helps in paraphrasing and summarizing any text. AI-based QuillBot ensures that the tone, content, and fluency of text remain intact even after paraphrasing.

You can also use QuillBot grammar checker to review your text for spelling, punctuation, and grammar errors.

USP: QuillBot is backed by natural language processing technology to keep the content of your text intact while paraphrasing and summarising.

QuillBot Features:

  • Vocabulary enhancement 
  • Synonym suggestion 
  • Summarizes content in bullet points and paragraph mode 
  • Corrects grammatical mistakes 
  • Fixes spelling errors 
  • Checks punctuation mistakes. 

QuillBot Pricing: The price of QuillBot starts at ₹2900 per month.

App Version: You can download QuillBot app for Android & iOS.

Free Version: Available with limited features. With QuillBot free grammar checker app, you can paraphrase up to 700 characters and summarize up to 5000 characters.

OS Support: Windows, Mac, Android and iOS.

Browser extensions: MS Word, Google Chrome and Google Doc

Pros:

  • Paraphrasing tool helps save the writing time
  • Inbuilt thesaurus helps find the right synonym
  • Different writing modes for creative writing
  • Word flipper for vocabulary enhancement
  • Best for student and professionals alike

Cons:

  • Character limitation exists in both premium and free plans

How Does QuillBot Work?

QuillBot has an easy interface and the best part is you don’t need to create an account for accessing the QuillBot app. This is how the app would look once you open its free version.

Access the QuillBot app and use summarizer tool, grammar checker, word flipper and more.

  • Grammarly

Best for: Quick suggestions & illustrations for correcting grammar

Best grammar check app

Grammarly is one of the best grammar checker apps that performs a quick check of all types of content to ensure an error-free and concise writing experience.

As a Grammarly user, you are suggested about the corrections that need to be done along with the logical reasons behind why those corrections or changes are important.

USP: Grammarly online editor is best for fixing grammatical errors in articles and essays that are longer. Grammarly app can also be integrated with social media accounts and text message services for a quick grammar check.

Grammarly Features:

  • Quick selection of preferred English writing style
  • Personal dictionary for adding words
  • Easy checking of text copied from any other website
  • Sentence checker for removing punctuation errors
  • Spell-check
  • Correcting grammatical errors along with suggesting overused words, better alternatives, etc.

Grammarly Premium Plan Features:

  • Plagiarism detection
  • Vocabulary enhancement corrections
  • Citation suggestions
  • Spelling and punctuation consistency check
  • Readability analysis
  • Formality level

Grammarly Pricing: Grammarly online premium plan is available for ₹2250 per month. A yearly subscription for Grammarly premium can be availed at ₹11250. If you opt for the Business plan mentioned on Techjockey.

Grammarly App: Android and iOS

Free Version: Yes, Grammarly free grammar check app version has limited features.

OS Support: Windows 7/8/8.1/10 along with the latest Microsoft Office versions.

Browser extensions: Chrome/Safari/Microsoft Edge/Firefox

Pros:

  • High accuracy in grammar check
  • Grammarly plugins for multiple platforms;
  • Advanced writing tools
  • Efficient mobile keyboard
  • Corrects grammar in real-time

Cons:

  • Offline mode for editing unavailable

How Does Grammarly Work?

Grammarly offers clear descriptions for mistakes or improvements in a sentence. Grammarly app suggests alternatives and illustrations with examples on how you can write a paragraph with better tone and style. Further, it provides suggestions for synonyms, punctuation and spelling.

Grammar Checker Related Software: Plagiarism Checker | Content Management Software | Marketing Tools | Grammar Checker Software

  • Ginger

Best for: Sentence suggestions and correcting misused words

Grammar checking software

Correct grammatical errors in your write-ups with Ginger grammar checker app. This grammar correction software is based on a patent-pending technology for bringing accuracy and preciseness to your writings.

USP: Enable proofreading for any part of the text with one single click. You can also translate a text into a language of your choice. This grammar checker app offers translation service support in around forty languages.

Features of Ginger App:

  • Contextual spelling correction
  • Simultaneous error corrections
  • Suggestions for alternative sentences
  • Misused words correction

Features available with the paid version:

  • Unlimited grammar checking
  • Text reader
  • Sentence rephrases
  • Error analysis
  • Practice on mistakes

Ginger Pricing: Ginger software’s single license plan costs around Rs 7048 whereas a plan for up to ten users is available at Rs 54893 on yearly basis on Techjockey.

App Version: Android and iOS

Free Version: Yes, Ginger free grammar check app version available

OS Support: Windows and Mac

Browser extensions: Chrome and Safari

Pros:

  • Recommendations for correcting sentence style
  • Suggests corrections for misused words
  • Additional tools for improving creative writing
  • Personal Trainer for writing recommendations
  • Built-in personalized dictionary
  • Easy Rephrase feature for sentence replacement

Cons:

  • Frequent popups

How Does Ginger Work?

Ginger’s Text Reader module provides sentence recommendations and also illustrates the correct way to write a line. It compares billions of documents online to compare sentence structure and context.

Best Grammar Check Apps & Tools for Professionals

Optimize the content for clarity, readability, and consistency with the best grammar checker apps. Pick any of the following grammar correction software for better results.

  • White Smoke

Best for: Multilingual translator and punctuation checking

English grammar check app

You can use WhiteSmoke grammar checking app for enhancing the quality of English articles in quick, easy steps. There is also a WhiteSmoke toolbar for translating text into a language that the software supports.

Currently, this English grammar check app supports around eighteen languages.

USP: Writing assistant available for those with dyslexia or writing difficulties. 

WhiteSmoke Grammar Checker Features:

  • Free online dictionary
  • Style checker
  • Translator
  • Punctuation checker
  • Spelling corrector
  • Microsoft Outlook and Word integration

Features included in the paid version:

  • Plagiarism checker
  • Integration with all writing platforms
  • One-click proofreading support
  • Telephonic customer support
  • 3-Computer license

WhiteSmoke Cost: WhiteSmoke grammar checker apps’ free online version is available. Three paid plans available- Web, Monthly, and Business. Each plan costs ₹377, ₹502, and ₹867 respectively.

App Version: No dedicated app, can be accessed on mobile

Free Version: Yes, WhiteSmoke is a free grammar checker app with premium plans for those who want to upgrade.

OS Support: Windows and Mac

Browser Extensions: Chrome, Firefox, Opera, Internet Explorer

Pros:

  • Various writing tutorials available
  • Accurate plagiarism detection
  • Easy to install and setup
  • Online version with cross-platform support
  • Works on both desktop and mobile

Cons: NA

How Does WhiteSmoke Work?

WhiteSmoke underlines all your mistake and makes corrections to give you the right sentence formation. WhiteSmoke follows a colour coding system for highlighting the errors.

Suggested Read: 10 Best Paraphrasing Tools Online – Free & Paid

  • ProWritingAid

Best for: Contextual spelling correction

Free grammar check app

ProWritingAid grammar checking software offers readability improvement tools to ensure better writing experience for the users. The application also offers style suggestions through which you can easily improve the quality of your writing.

On a trial basis, you can try ProWritingAid grammar checker free download option. 

USP: In-depth reports about the quality of your write-ups. The grammar checker app looks for issues in writing, such as vague content, repetitive content, passive sentences and suggests sentence variations for improving the quality of your writeups.

Pro WritingAid Features:

  • Grammar checks
  • Contextual spelling corrections
  • Terminology checker
  • Entity spelling corrector

Features incorporated in the Premium plan:

  • Writers resource library
  • Plagiarism report
  • Permission to work with Markdown documents, Rich Text, Open Office and Scrivener projects.

Pro WritingAid Price: ProWritingAid has two plans available- Premium for ₹4200 and Premium Plus for ₹4900. Both the plans are on yearly basis at Techjockey.  

App Version: No dedicated app, can be accessed on mobile.

Free Version: Two-week free trial available

OS Support: Windows and Mac

Browser extensions: Chrome, Firefox, and Safari

Pros:

  • Excellent style ideas and writing report
  • Standard text editor
  • Easy to use web version also available
  • Several readability recommendations
  • Suitable for different writing styles

Cons:

  • Limited word check under free plan

How Does ProWritingAid Work?

ProWritingAid offers various word and sentence recommendations so that you can visualize the best way to write a sentence. Additionally, you can check sentence redundancies, pronoun usage and overused words.

  • Hemingway Editor

Best for: Automated readability index

Grammar correction software

Draft concise writing proposals and articles with one of the best grammar correction software, Hemingway Editor. This grammar checker app is easy to use, as all you have to do is paste the content in the application and start editing right away. 

USP: You can use different types of colour coding to highlight the type of errors. For instance, yellow for common errors or long sentences; red for complicated sentences, purple for shorter words, blue for weakening phrases, and green for passive sentences.

Features mostly available in paid plan:

  • Prose formatting
  • Colour highlights for indicating errors
  • One click integration with Medium and WordPress
  • HTML formatting and links
  • Easy text import from Word documents
  • Export into PDF, Text or MS Word
  • Automated readability index
  • Text formatting
  • Integrated with WordPress & Medium for content publishing.

Hemingway Editor Pricing: Hemingway Editor is available for around ₹1500. 

App Version: No dedicated app, can be accessed on mobile

Free Version: Yes, free online grammar check version is available.

OS Support: Windows and MacOSX

Browser extensions:Chrome, Firefox & Safari

Pros:

  • Ideal for improving writing style
  • Best for editing short write-ups
  • Apt vocabulary recommendations for complex sentences
  • Helps determine sentence readability

Cons:

  • Formatting tools unavailable

How Does Hemingway Editor Work?

Hemingway Editor provides recommendations in different colours so that the reader can clearly understand the kinds of improvements required. Also, it provides a readability score to assess the quality of your writing.

  • GrammarCheck

Best for: Vast Thesaurus & synonyms

Grammar checker free download

GrammarCheck helps you write clear & concise copies of essays and articles by reducing the possibility of all kinds of grammatical errors. The online web version of the grammar correction software highlights the errors in a text. End-users can click on those highlighted words/sentences for viewing correct alternatives.

USP: This grammar checker app provides a free check feature that immediately identifies grammatical errors in a text.

There is a deep check feature for detecting complicated errors as dangling modifiers, run-on sentences, etc. 

GrammarCheck Features:

  • Style suggestions
  • Grammar corrections
  • Wording alternatives
  • Spell check

Pricing: GrammarCheck is a free grammar check app.

App Version: No dedicated app, can be accessed on mobile

Free Version: Yes

OS Support: NA

Browser Extensions: NA

Pros:

  • Best for basic grammar checks
  • Web hosting for easy access
  • Business and general writing styles available
  • Rules for capitalization & punctuations
  • Simple user interface
  • Easy to use spell check engine

Cons: NA

How Does GrammarCheck Work?

GrammarCheck has an easy interface. All you need to do is type or copy & paste the text. All grammar & style suggestions are underlined to help users make quick changes based on recommendations.

Suggested Read: Top 15 Best Plagiarism Detection and Remover Tools in 2021

  • Reverso

Best for: Website and document translation

grammar checking software

Reverso is one of the best grammar check apps for improving content quality by conducting contextual translations of text aside from quick correction of grammatical errors.

Reverso’s powerful linguistic search engine module provides reviewing materials, real-life examples, etc. for editing English and other foreign languages.

USP: Those planning to learn any foreign language can use Reverso grammar check app. It provides pronunciation instructions, word meanings and translation support for eleven different foreign languages. 

Reverso Grammar Features:

  • Real-time suggestions for improvement
  • Document and website translation
  • Search history
  • Vocabulary lists
  • Support available in around eleven languages

Features attached to the premium paid plan:

  • Ads remover
  • Context website

Reverso Grammar Check Pricing: Reverso can be accessed as a free grammar checking app with limited features.

App Version: Android and iPhone/iPad

Free Version: Web-based version is free

OS Support: Windows and Mac

Browser Extensions:Chrome, Firefox & Safari

Pros:

  • Cross-platform support
  • Single click sentence translation
  • Browser extension for easy access
  • Accurately detects spelling & grammar mistakes
  • Accurate punctuation recommendations
  • Vast online thesaurus

Cons:

  • Plagiarism checker missing

How Does Reverso Work?

The app has an easy interface with grammar checks available in twelve languages. Online thesaurus comes in handy for antonym and synonym check.

  • After the Deadline

Best for: Command line tools

Grammar checking app

After the Deadline is one of the top English grammar checker apps that helps users write high quality articles and essays effortlessly. The misused word detector is one of the key features of this grammar checker apps’ that helps prevent any incorrect usage of words in writing.

USP: You can add spell check button by After the Deadline grammar checking software on your blog pages, forums, activity stream and profiles for publishing error-free content across all platforms.

After the Deadline Grammar Checker Features:

  • Windows live writer
  • Contextual spell checks
  • Language style correction
  • Grammar checker
  • Command line tools

Pricing: After the Deadline grammar checker is available for free download on the official website.

App Version: No dedicated app, can be accessed on mobile

Free Version: Yes, After the Deadline is a free grammar checker app

OS Support: Mac and Windows

Browser Extensions: Firefox and Chrome

Pros:

  • Chrome extension to check Grammar while you are writing
  • Easy to use
  • Web-based application

Cons: NA

How Does After the Deadline Work?

After the Deadline offers plugins to help you with spelling and grammar checks while you are writing an email or filling a form.

  • GradeProof

Best for: AI-based proofreading & grammar check

GradeProof grammar checker software helps improve the quality of texts by proofreading them for spelling, grammatical and punctuation errors. GradeProof’s free version offers basic grammar check functionalities whereas the Pro version offers several advanced features.

USP: AI powered Eloquence engine for improving clarity and fluency in essays/write-ups. 

Features of GradeProof App:

  • Custom dictionary
  • Spelling engine
  • Grammar corrector
  • Writing statistics

Features included in the Pro (paid) version:

  • Compression
  • Phrasing
  • Efficiency
  • Capitalisation
  • Word confusion

Pricing: Available as a free grammar check app. Pro version plans start at around ₹752/month.

App Version: iOS

Free Version: Yes

Platform Support: GradeProof for Word, Chrome &Google Docs

Browser Extensions: Chrome

Pros:

  • Multiple platform support
  • Easy sign ups
  • AI driven eloquence engine
  • Custom dictionary and plagiarism checker

Cons:

  • Limited free plan

How Does GradeProof Work?

Uploading documents is easy on GradeProof. Readability reports offer proofreading analysis along with intelligent algorithms for improving the writing quality.

  • Slick Write

Best for: Quick editing and document statistics

Grammar checker apps

Slick Write grammar checker app helps quickly detect grammatical mistakes and stylistic errors in your content. In a competitive environment, you can rely on this grammar checker for writing and publishing neat and professional content in English language.

USP: Free web based version with editing and rephrasing text tools.

Slick Write Features:

  • Quick lookup
  • Document statistics
  • Quick editing 
  • Associator for finding connections between words
  • Provides customizable feedback as per your writing style
  • Ensures content security & does not redistribute any document

Pricing: Slick Write is available as a free grammar checker app on web. 

App Version: No dedicated app, can be accessed on mobile

Free Version: Yes

OS Support: Windows, Linux and Mac

Browser Extensions: Chrome and Firefox

Pros:

  • Best for checking styling errors
  • Quick identification of grammatical errors
  • Statistics for long sentences
  • Easy word count
  • Graphical illustrations for sentence improvement
  • Vocabulary enhancer

Cons:

  • Multilanguage support missing

How Does Slick Write Work?

Slick Write is easy to use and if you are using the online version, just type or copy and paste the content. Click Check and you can start proofreading immediately.

Suggested Read: How To Use Unique Content Checker Online with No Word Limit

How to Choose Grammar Checker Software & Apps

Look for following features in grammar checker apps and tools to ensure that your writing work is duly improved and well appreciated for its preciseness. 

  • Quick proofreading for making content error free in less time.
  • Highlighter to showcase spelling and punctuation errors.
  • Plagiarism checker to avoid content being taken directly from another author or article.
  • Advanced style checker for removing complex sentences.
  • Attached dictionary to look for meaning and synonyms.
  • Multilingual support so that if required a writer can translate the document as well.

Summary

Improve the quality of all your writings with any of the above mentioned paid and free grammar checking software. Share your reviews and recommend these to others who too would want to benefit out of grammar and proofreading applications.

FAQs

  1. Is there any app to check grammar mistakes?

    There are available grammar checker software and apps that come in handy for doing grammar checks. These are powerful apps supporting correction of stylistic errors, browser extensions, spell checkers, plagiarism detector and more.

  2. What is the best grammar checker for Android?

    Some of the best grammar checker for Android with inbuilt rephrasing and grammar correction tools are Ginger Keyboard & Page, Grammar Up Lite, Spell Checker, English Grammar Spell Checker, English Grammar Test and Udemy.

  3. How can I check if a sentence is grammatically correct?

    You can make use of grammar check apps for checking if or not a sentence is grammatically correct. Additionally, you may take advantage of other inbuilt features like dictionary, thesaurus, sentence corrector, passive voice checks, and more.

  4. What is the best free grammar checker?

    Some of the best grammar checkers with built-in editing tools are Linguix, PaperRater, Outwrite, Online Correction, Scribens, Virtual Writing Tutor and NOUNPLUS.

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