QuillBot AlternativesOnly apps categorised as Grammar Checkers

The best Grammar Checker alternative to QuillBot is LanguageTool, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to QuillBot and seven of them are Grammar Checkers so hopefully you can find a suitable replacement. Other interesting Grammar Checker alternatives to QuillBot are ProWritingAid, Harper, RewritePal and KamousAI.

QuillBot iconQuillBot
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  • ...

QuillBot can help you paraphrase, summarize, grammar check and even plagiarism check all of your essays using AI.

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QuillBot alternatives page was last updated Apr 13, 2025
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Alternatives
  1. LanguageTool icon

    LanguageTool

     167 likes
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    Proofreading software compatible with LibreOffice, Word, Firefox, and Chrome. Supports 20+ languages, offering two tiers: free and premium, with features like customizable checks, Microsoft add-on, and error detection in gender, ISBN, and IBAN. Offers open-source web and desktop versions.

    77 LanguageTool alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • iPhone
    • iPad
    • Microsoft Edge
    • ONLYOFFICE
    • Google Chrome
    • Microsoft Outlook
    • Safari
    • Visual Studio Code
    • Microsoft Word
    • Eclipse
    • TinyMCE
    • Google Docs
    • Thunderbird
    • Vim
    • Sublime Text
    • GNU Emacs
    • Opera
    • Gmail
    • LibreOffice
    • Apache OpenOffice
    • Mozilla Firefox
    • LibreOffice - Writer
    LanguageTool screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Multiple languages
    2.  Automated proofreading
    3.  Proofreading
    4.  Grammar tool
    5.  Custom dictionaries
    6.  Spell Checking
    7.  Dark Mode
    8.  Microsoft Edge extension
    9.  Ad-free
    10.  Neural network
    11.  N-grams
    12. Obsidian icon  Obsidian Integration

    LanguageTool VS QuillBot

     

    • LanguageTool is the most popular Web-based, Windows, Mac & iPhone alternative to QuillBot.

    • LanguageTool is the most popular Open Source & free alternative to QuillBot.

    • LanguageTool is Freemium and Open SourceQuillBot is Freemium and Proprietary
    • LanguageTool is Privacy focused and LightweightQuillBot is not according to our users
  2. ProWritingAid icon

    ProWritingAid

     28 likes
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    A complete grammar checker, style editor, and mentor, offering 25 writing reports. It identifies repetitive language, vague words, overuse of adverbs, passive voice, and complex structures while providing a word explorer and thesaurus.

    95 ProWritingAid alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Online
    • Microsoft Edge
    • Google Chrome
    • Microsoft Outlook
    • Microsoft Word
    • Google Docs
    • Google Workspace
    • Mozilla Firefox
    ProWritingAid screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Spell Checking
    2.  Automated proofreading
    3.  Grammar explanations
    4.  Grammatical Error Checking
    5.  Grammar tool
    6.  Cloning in multiple languages styles

    ProWritingAid VS QuillBot

     
  4. Harper icon

    Harper

     3 likes
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    Harper is an English grammar checker designed to be just right. I created it after years of dealing with the shortcomings of the competition.

    52 Harper alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Self-Hosted
    • WebAssembly
    • Visual Studio Code
    • Mac
    • Linux
    • Windows
    • Homebrew
    • Neovim
    Harper screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No registration required
    2.  Ad-free
    3.  No Tracking

    Harper VS QuillBot

     

    • Harper is the most popular Self-Hosted alternative to QuillBot.

    • Harper is Free and Open SourceQuillBot is Freemium and Proprietary
    • Harper is Lightweight and Privacy focusedQuillBot is not according to our users
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    ProWritingAid icon
    ProWritingAid

    Get a 20% discount on ProWritingAid with AlternativeTo, use codeOMCTQFXNMO

    A complete grammar checker, style editor, and mentor, offering 25 writing reports. It identifies repetitive language, vague words, overuse of adverbs, passive voice, and complex structures while providing a word explorer and thes...

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    Learn More
  6. RewritePal icon

    RewritePal

     5 likes
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    RewritePal is a free, AI-powered tool designed to make your writing clear, compelling, and tailored to any audience. Whether you're a student, professional, or content creator, RewritePal helps you transform paragraphs into polished, reader-friendly text in seconds.

    10 RewritePal alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Online
    RewritePal screenshot 1

    Properties

    1.  Distraction-free
    2.  Lightweight
    3.  Privacy focused

    Features

    1.  Ad-free
    2.  Spell Checking
    3.  No registration required
    4.  Grammar tool
    5.  Proofreading
    6.  AI-Powered
    7.  No Tracking
    8.  Automated proofreading
    9.  Multiple languages

    RewritePal VS QuillBot

     
  7. KamousAI icon

    KamousAI

     3 likes
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    Advanced your language skills with AI.

    26 KamousAI alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Online
    • Android
    • Android Tablet
    • WebApps
    KamousAI screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Text to Speech
    2.  No registration required
    3.  Ad-free
    4.  Spell Checking
    5.  No Tracking
    6.  Built-in Dictionary
    7.  Grammar tool
    8.  AI Summarization
    9.  AI-Powered
    10.  Paraphrasing

    KamousAI VS QuillBot

     

    • KamousAI is the most popular Android & Android Tablet alternative to QuillBot.

    • KamousAI is Free and Open SourceQuillBot is Freemium and Proprietary
    • KamousAI is LightweightQuillBot is not according to our users
  8. FCK.School icon

    FCK.School

     1 like
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    FCK.School provides a suite of AI-powered writing tools to help students write better, right now. Originally built to help students who's first language is not English, our goal is still the same: improve your writing.

    6 FCK.School alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Welcome to FCK.School! Try it out and sign up for a free plan.

    FCK.School Features

    1.  No registration required
    2.  Ad-free
    3.  Spell Checking
    4.  Paraphrasing
    5.  AI-Powered

    FCK.School VS QuillBot

     
  10. Engram icon

    Engram

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    Engram is an AI-powered English grammar checker and paraphraser for non-native speakers, using our proprietary AI and ChatGPT for context-based sophisticated edits. Unlike other grammar checkers, Engram is tailored for non-native English speakers, aiding international students...

    22 Engram alternatives

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    Enter text into the grammar checker to fix errors and get suggestions for natural phrasing.

    Engram Features

    1.  Spell Checking
    2.  Ad-free
    3.  Natural Language Processing
    4.  AI-Powered

    Engram VS QuillBot

     
7 of 7 QuillBot alternatives