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Grammarly vs Wordtune

This comparison was retrieved by database IDs selected from the catalog.

Grammarly favicon

Grammarly

Grammarly Inc

Wordtune favicon

Wordtune

AI21 Labs

Overview
Rating
—
—
Category
Writing
Writing
Subcategory
Grammar and Writing Assistant
AI Writing Enhancement
Company
Grammarly Inc
AI21 Labs
Status
Active
Active
Launch year
2009
2020
Tags
grammarwritingspellingstyletoneai-writing
writingrewritingenhancementenglishgrammarai-writing
Pricing
Starting price
$12/moBest value
$13.99/mo
Pricing model
Freemium
Freemium
Free plan
Yes
Yes
Free trial
✕
✕
Pricing notes

Free with basic checks. Pro $12/month billed annually ($30/month billed monthly). Business $15/member/month with team features and style guides.

Free plan with 10 rewrites/day. Plus $13.99/month. Unlimited $19.99/month billed monthly. Team plans available.

Capabilities
Best for
Email writingProfessional writingAcademic writingContent creationTeam writing consistency
Writing improvementSentence variationContent refinementEmail writingNon-native English assistance
Target audience
StudentsWritersProfessionalsMarketing teamsCustomer serviceNon-native English speakers
WritersNon-native English speakersStudentsProfessionalsContent marketers
AI type
Writing Assistant
Writing Assistant
Modalities
Text
Text
Technical
Model provider
Grammarly
AI21 Labs
Model names
—
—
API available
✕
✕
Open source
✕
✕
Deployment
SaaS
SaaS
Platforms
WebWindowsMaciOSAndroid
WebiOSAndroidChrome extensionGoogle Docs
Integrations
Microsoft WordGoogle DocsChromeFirefoxSafariEdgeSlackGmail
Google DocsMS WordChrome
Team collaboration
✓
✕
Trust & security
Security

Business plan includes SSO and admin controls. Enterprise with data handling agreements.

Review Wordtune's data handling policy. Text entered for rewriting is processed by AI21 Labs' infrastructure.

Privacy notes

The browser extension reads all text typed in a browser, including potentially sensitive content. Review settings and consider disabling for confidential work.

Review privacy policy before using with confidential content. Text is processed by AI21 Labs' servers.

Verdict
Pros
  • Best real-time grammar and style checking available
  • Widest integration support of any AI writing assistant
  • Free plan genuinely useful for everyday writing
  • Tone detection helps with professional communication
  • Best tool for exploring multiple alternative phrasings of the same sentence
  • Particularly useful for non-native English speakers who think in another language
  • Free plan with 10 rewrites/day is genuinely useful
  • Google Docs integration works where most users already write
Cons
  • GrammarlyGO generative features weaker than dedicated AI writing tools
  • Monthly billing expensive at $30 versus $12 annual
  • Browser extension has broad data access
  • Limited value for non-English writing
  • 10 rewrites/day limit on free plan restricts heavy use
  • Less capable for generating content from scratch
  • Less feature breadth than Grammarly for comprehensive writing improvement

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