QuillBot vs LanguageTool: Comparison & Features

Choosing the perfect writing assistant can have a major impact on your productivity and writing quality, whether you’re a student, professional, or content creator. In this post, we evaluate two of the most popular AI writing tools, QuillBot and LanguageTool. We cover their features, pricing, pros and cons, and integrations so that you can make an informed decision.

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Overview: QuillBot

QuillBot is an all-in-one writing and productivity assistant offering various popular tools such as Paraphraser, Grammar Checker, AI Detector, AI Chat, Translate, and more. QuillBot is a powerful tool for writers who want to transform their content through refining, rewriting, and repurposing their text.

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Overview: LanguageTool

LanguageTool is primarily an advanced grammar, punctuation, and spelling checker that supports over 30 languages. Additionally, it offers an English paraphraser with 10 different modes. LanguageTool is developer-friendly and integrates seamlessly with many apps and extensions.

Key feature comparison

Both LanguageTool and QuillBot are multilingual tools that provide grammar checking and paraphrasing. However, QuillBot also includes other tools that support writers from the beginning to the end of the writing process.

Below, we look at the primary features of the two products in more detail.

Grammar checker

Both QuillBot and LanguageTool go beyond basic spelling and grammar correction by providing style and tone suggestions. They are multilingual tools and perfect for writers who switch between languages.

Feature QuillBot LanguageTool
Advanced grammar, punctuation, and spell checking
One-click correction
Style recommendations
Word choice suggestions
Text statistics
Personal dictionary and style guide
Picky mode
Languages 6 (plus dialects) 30+

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QuillBot Grammar Checker example

QuillBot’s Grammar Checker

LanguageTool Grammar Checker example

LanguageTool’s Grammar Checker

Paraphraser

QuillBot and LanguageTool allow users to paraphrase in multiple modes (e.g., humanize, academic, and fluent). They also allow users to customize the paraphrased output by choosing alternative synonyms for words and phrases.

QuillBot’s Paraphraser supports over 30 languages and provides a custom paraphrasing mode.

Feature QuillBot LanguageTool
Unlimited paraphrasing
Paraphrasing modes 10 10
Synonyms suggestions
Custom paraphrasing mode
Humanize paraphrasing mode
Languages 30+ English

Try QuillBot’s Paraphraser

QuillBot Paraphraser

QuillBot’s Paraphraser

 

LanguageTool paraphraser example

LanguageTool’s Paraphraser

Additional tools

Where QuillBot shines is the variety of additional tools it offers. Users can prompt QuillBot’s AI Chat to perform the same generative AI tasks as ChatGPT or Claude.

Feature QuillBot LanguageTool
AI content detector
Plagiarism checker
AI Chat
Citation generator
Translator
Summarizer
Speech to text

Try QuillBot’s AI Chat

Integrations

QuillBot and LanguageTool are designed to work wherever you write with their multiple apps and extensions.

App/Extension QuillBot LanguageTool
Google Chrome
Microsoft Edge
Mozilla Firefox
Safari
Windows
macOS
iOS
Microsoft Word
Overleaf
LibreOffice
Obsidian

Pricing

QuillBot’s free plan includes access to all tools except the Plagiarism Checker. Users can also choose a Premium plan to get unlimited usage and more advanced features.

LanguageTool’s paraphraser and grammar checker are accessible for free on the website. In order to access the extensions and integrations that make the tools convenient, users must sign up for a paid subscription. LanguageTool’s paid version costs less than QuillBot’s but includes fewer tools and features.

QuillBot and LanguageTool users can sign up for team plans, which are designed to help businesses and organizations use the tools more effectively.

Plan QuillBot LanguageTool
Free Only web-based tools, not extensions
Premium $8.33/month, billed annually $5.83/month, billed annually
Team From $5.83/user/month, billed annually From $5.24/user/month, billed annually

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QuillBot vs LanguageTool: Which option is right for you?

For most users, QuillBot is the better choice. Both its free and paid plans provide access to a larger suite of tools than LanguageTool.

But, if you are looking mainly for a grammar checker, especially for a language other than English, Spanish, German, French, Dutch, or Portuguese, then LanguageTool may fit the bill.

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