Grammarly vs ProWritingAid

Compare Grammarly and ProWritingAid on the same questions, with pricing terms and sources shown where they are known.

Grammarly

Free AI writing assistant that helps you write clear, credible text across any app or website — with grammar checks, tone adjustments, and AI-powered rewriting.

View Grammarly

ProWritingAid

A grammar checker, style editor, and writing mentor that gives fiction writers in-depth feedback on plot, pacing, character development, and prose.

View ProWritingAid

Comparison table

Unknown means no reliable value is stored, not that a feature is missing.

Facts compared for Grammarly and ProWritingAid
QuestionGrammarlyProWritingAid
Pricing modelSame for bothFreemiumFreemium
Free planSame for bothYesYes
PlatformsDiffersAndroid, iOS, macOS, Web, WindowsmacOS, Web, Windows
Listed featuresDiffers
  • Grammar & Spell Check
  • Tone Suggestions
  • Full-Sentence Rewrites
  • AI Text Generation
  • Plagiarism Detection
  • Grammar Checker
  • Paraphrasing Tool
  • Manuscript Analysis
  • Chapter Critique
  • Sparks

Pricing and limits

Plans can differ in scope, region and billing terms, so compare plan names rather than assuming equivalence.

Grammarly

Free plan: Yes

Subscriptions

  • Free: Free, per month
  • Pro: $12, per month
  • Enterprise: Custom quote
Official pricing page

Pricing verification date unknown.

ProWritingAid

Free plan: Yes

Subscriptions

  • Free: Free, per month
  • Premium: $120, per year, billed annually
  • Premium Pro: $144, per year, billed annually
Official pricing page

Pricing verification date unknown.

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