# Copyboost > Psycholinguistic copy audit tool for founders and marketers who write their own marketing copy. ## What is Copyboost? Copyboost is an AI-powered copy audit tool that analyzes marketing text across 7 diagnostic modules: Audience Fit, Conversion Diagnostic, Variants, Brand Voice, Format Repurpose, Translate and Adapt, and Rewrite Your Way. It scores copy on 6 conversion axes (Hook, Persuasion, Proof, Urgency, CTA, Readability) and detects cognitive biases, emotional arcs, and persuasion frameworks. ## Key differentiator Copyboost does not rewrite copy. It diagnoses what's wrong and explains why, using psycholinguistic analysis. No generic suggestions. Actionable, specific fixes. ## Pricing - Free: 1 full analysis per day, all 7 modules - Pro (39 EUR/month): 50 analyses per day, 5 custom personas, 1 brand voice - Business (79 EUR/month): Unlimited analyses, 25 personas, 5 brand voices, Schwartz values, PDF export, priority support ## Links - Website: https://copyboost.io - App: https://app.copyboost.io - Contact: support@copyboost.io