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Grammar checker comparisons

LanguageTool vs. QuillBot

Integrations, team features and security side by side, then each product's plans, pros and cons.

Feature comparison of LanguageTool, QuillBot and Sapling
Feature LanguageTool QuillBot Sapling
Integrations
Microsoft Word YesYesYes
Microsoft Outlook NoNoYes
Google Docs YesYesYes
Products and features
Style guide NoNoYes
Tone prediction NoNoYes
Autocomplete NoNoYes
Snippets / macros NoNoYes
Suggested responses NoNoYes
Customization
Built for sales NoNoYes
Built for support NoNoYes
Multiple languages YesNoYes
Custom models NoNoYes
Security
HIPAA YesNoYes
SOC 2 Type II NoNoYes
API access YesNoYes
Self-hosting YesNoYes

Sapling is shown for reference.

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

Plans

  • 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

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 checking for 10,000 characters of 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

Reviews

LanguageTool has 7,370 ratings and 1,000,000+ users on their Chrome Web Store with an average rating of 4.8 stars out of 5 (as of May 2022)

QuillBot

QuillBot is a paraphrasing tool that helps millions with their writing. It offers different modes to help with rephrasing and enhancing text. Beyond paraphrasing, QuillBot also offers summarization and grammar checking tools.

Screenshot of example edits by QuillBot

Plans

  • Free version offers 125 paraphraser word limit with Standard and Fluency modes
  • Premium version offers unlimited words for paraphraser as well as expand, shorten, formal, simple, and creative modes. Premium also offers faster processing speeds and plagiarism checker.

Pros

  • Offers paraphraser, grammar checker, and summarizer
  • Website includes interface called Co-Writer
  • Includes additional tools for academics, including a citation generator

Cons

  • Not designed for business teams
  • Limited custom integrations or API access

Reviews

QuillBot has 99 ratings and 400,000+ users on their Chrome Web Store with an average rating of 4.5 stars out of 5 (as of May 2022)

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