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LanguageTool vs. ProWritingAid

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

ProWritingAid

ProWritingAid is a grammar and style checker that also provides reporting to improve your writing. It includes options for creative writing, business writing, and academic writing, with scoring of variety, readability, passive voice, and other indicators of writing health.

Screenshot of example edits by ProWritingAid

Offerings

  • Free version provides basic grammar and spelling checks through its website and browser extensions
  • Premium version has no word count limits, a desktop app, a writers resource library, and unlimited writing reports
  • Premium Plus version has everything the premium version has along with 60 plagiarism checks per year
  • Enterprise plan for teams includes account management, custom integrations, and team analytics

Reviews

ProWritingAid has 4,118 ratings and 200,000+ users on their Chrome Web Store with an average rating of 4.8 stars out of 5 (as of Feb. 2022)

Pros

  • Includes scoring on variety of axes
  • Enterprise plan provides term base items and style guide rules
  • Many integrations including for Microsoft office and Google Docs
  • Premium version offers a plagiarism checker

Cons

  • Not focused on business use cases
  • No snippets or macros

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More Comparisons

LanguageTool

ProWritingAid

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