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Grammarly vs ProWritingAid

Pick up to three tools. Prices are read from each official pricing page and shown per month.

Grammarly is the cheapest to start, at $12 a month.

AttributeGrammarlyProWritingAid
CategoryWritingWriting
Good forwriting, editing, email, productivityediting, writing, studying
Starts at$12/mo$30/mo
Free planYesYes
Free tier limitsBasic grammar and spelling checks, tone detection and 100 AI prompts per month; rewrites and plagiarism checks need Pro.Grammar and spelling checker, thesaurus, limited daily AI use (e.g. 10 rephrases, 2 line-editing runs per day).
Free plan detailsNot checked yetNot checked yet
The catchNot checked yetNot checked yet
Pricing modelFree plan + paidFree plan + paid
Key features
  • Grammar and spelling corrections
  • Tone detection and adjustment
  • AI drafting and rewriting prompts
  • Plagiarism and AI text detection
  • Grammar, spelling and style checking
  • 25+ in-depth writing reports
  • AI rephrasing and chapter critiques
  • Custom style guides
All plans
  • Pro$12
  • Premium$30
  • Premium Pro$36
PopularityNot rankedNot ranked
Last price changeNone recordedNone recorded
Visit GrammarlyVisit ProWritingAid

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