Integrations, team features and security side by side, then each product's plans, pros and cons.
Feature comparison of LanguageTool, Linguix and Sapling
Feature
LanguageTool
Linguix
Sapling
Integrations
Microsoft Word
Yes
Yes
Yes
Microsoft Outlook
–No
–No
Yes
Google Docs
Yes
Yes
Yes
Products and features
Style guide
–No
Yes
Yes
Tone prediction
–No
–No
Yes
Autocomplete
–No
–No
Yes
Snippets / macros
–No
Yes
Yes
Suggested responses
–No
–No
Yes
Customization
Built for sales
–No
–No
Yes
Built for support
–No
–No
Yes
Multiple languages
Yes
–No
Yes
Custom models
–No
–No
Yes
Security
HIPAA
Yes
–No
Yes
SOC 2 Type II
–No
–No
Yes
API access
Yes
Yes
Yes
Self-hosting
Yes
–No
Yes
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.
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)
Linguix
Linguix is an AI-based writing assistant that offers a spelling and grammar checker, plagiarism checker, shortcuts, and paraphraser. Like many of the other grammar tools, Linguix offers a variety of browser integrations as well as integrations for popular software such as Microsoft Word and Outlook.
Plans
Free plan provides basic grammar, punctuation checks and spelling suggestions
Premium version offers more tools including advanced suggestions, snippets, and synonyms
Enterprise plan offers teams style guides, shared documents, and analytics dashboard
Compatible with mobile devices for both iOS and Android
Pros
Includes snippet shortcuts to help save time
Provides thesaurus and language learning features
Includes paraphraser tool to give you different variations of a sentence
Gives personalized language training so you can learn from your own mistakes
Offers a private mode where writing is deleted
Cons
Limited security certifications, no evidence of SOC 2 or HIPAA compliance
Not focused on business use cases, e.g. sales or support
Reviews
Linguix has 292 ratings and 40,000+ users on their Chrome Web Store with an average rating of 4.6 stars out of 5 (as of May 2022)
