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LanguageTool vs. Grammarly

LanguageTool

LanguageTool is a multilingual grammar and spell checker. It includes an open-source edition as well as a premium business edition. The key languages support included English, German, Spanish, French, and Portuguese.

Screenshot of example edits by LanguageTool

Offerings

  • Free version provides basic grammar, punctuation, and style checking
  • Premium version has enhanced grammar, punctuation, and style checking as well as suggestions to improve style and tone, add-in for Microsoft Word, and add-on for Google Docs
  • Enterprise version provides everything the premium version does along with user management

Reviews

LanguageTool has 6,842 ratings and 1,000,000+ users on their Chrome Web Store with an average rating of 4.8 stars out of 5 (as of Feb. 2022)

Pros

  • Can detect of incorrect names and titles in e-mails as well as incorrect numbers
  • Supports multiple languages
  • Separately there exists an open-source offering

Cons

  • Free version only provides up to 10,000 characters per text
  • Premium version only allows up to 100,000 characters per text field
  • Grammar checker has limited capabilities as it has rule-based recommendations
  • Not focused on business use cases

Grammarly

Grammarly is an extremely popular cloud-based writing assistant that provides spelling and grammar checking across a number of applications. Grammarly also provides a tone prediction tool and a plagiarism checker along with an editor on its website.

Screenshot of example edits by Grammarly

Offerings

  • Free version is meant for casual writing as it only provides basic writing suggestions for spelling, grammar, punctuation, and conciseness
  • Premium version is meant for students or working professionals and includes a lot more features such as tone adjustments, advanced suggestions, and word choice
  • Enterprise plan is meant for accounts with 50+ users and gives team management tools such as style guide, snippets, and analytics dashboard

Reviews

Grammarly has 41,936 reviews and 10,000,000+ users on their Chrome Web Store with an average rating of 4.6 stars out of 5 (as of Feb. 2022)

Pros

  • The most well-known and widely used grammar application
  • Clean and easy-to-use integration UI
  • Website editor with additional checking functionality
  • Includes plagiarism checker to check writing assignments against 16 billion webpages

Cons

  • Not focused on business use cases
  • currently only supports English
  • Frequently suggesst rule-based recommendations
  • Does not provide direct API access

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More Comparisons

LanguageTool

Grammarly

Sapling

Integrations
MS Word (Win/Mac)
MS Outlook (Win/Mac)
Google Docs
Products & Features
Style Guide
Tone Prediction
Autocomplete
Snippets / Macros
Suggested Responses
Customization
Built for Sales
Built for Support
Multiple Languages
Custom Models
Security
HIPAA
SOC 2 (Type II)
API Access
Self-Hosting