At a glance

Grammarly Wordtune
Best for Anyone wanting AI-powered writing improvement Writers who want to improve their own writing rather than generate content from scratch
Starting price Free $9.99/mo
Free tier
Open source
Free tier available
Open source
Chrome extension
Clarity
Grammar
Plagiarism
Simplification
Text rewriting
Tone
Tone adjustment

Grammarly

Strengths

  • Includes Grammar as a core feature, purpose-built for ai writing workflows
  • Includes Clarity as a core feature, purpose-built for ai writing workflows
  • Free basic grammar checks — generous enough for most small teams to get real work done
  • Established product with 17+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Ecosystem of third-party integrations is smaller than the market leaders in ai writing
  • Mobile experience lags behind the desktop version in features and polish

Wordtune

Strengths

  • Excellent at rewriting and improving existing text
  • Multiple suggestions per sentence — pick what sounds best
  • Chrome extension works across email, docs, and social media
  • Good at simplifying complex or academic writing

Weaknesses

  • Not designed for generating content from scratch
  • Free plan has limited daily rewrites
  • Less useful for long-form content creation
  • Suggestions can sometimes lose nuance

The bottom line

Pricing: Grammarly is completely free (Free basic grammar checks), which makes it the obvious pick if budget is the top concern. Wordtune starts at $9.99/mo, but 10 free rewrites per day. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: Grammarly offers Clarity, Grammar and Plagiarism that Wordtune lacks. Wordtune brings Chrome extension, Simplification and Text rewriting that Grammarly does not have.

Where each tool shines: Grammarly's biggest strengths are: includes grammar as a core feature, purpose-built for ai writing workflows. includes clarity as a core feature, purpose-built for ai writing workflows. Wordtune's biggest strengths are: excellent at rewriting and improving existing text. multiple suggestions per sentence — pick what sounds best.

Watch out for: With Grammarly, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Wordtune, the main complaint is that not designed for generating content from scratch.

Choose Grammarly if...

  • You need a tool built for anyone wanting ai-powered writing improvement
  • Budget is a hard constraint — Grammarly is free, Wordtune is not
  • You specifically need Clarity and Grammar
  • You care about includes clarity as a core feature, purpose-built for ai writing workflows
  • The free tier works for you: free basic grammar checks

Choose Wordtune if...

  • You need a tool built for writers who want to improve their own writing rather than generate content from scratch
  • You specifically need Chrome extension and Simplification
  • You care about multiple suggestions per sentence — pick what sounds best
  • The free tier works for you: 10 free rewrites per day

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