What problem does it solve? Writing high-converting ad creatives requires knowing platform-specific character limits, hook structures, and testing discipline, which marketers often handle inconsistently across channels. ## Core Features & Use Cases - Platform-Specific Formats: Provides exact character limits and format rules for Meta, Google, Twitter/X, and LinkedIn ads. - Copy Formulas & Testing: Includes five proven ad copy formulas and a 3-3-3 testing framework covering hooks, offers, and audiences. - Performance Diagnostics: Defines CTR, CPC, hook rate benchmarks and ad fatigue detection rules for creative rotation. - Use Case: A growth marketer launching a new SaaS trial can generate three hook variations per platform, each with compliant character counts, visual direction, and targeting suggestions. ## Quick Start Generate three Meta ad variations for a free trial offer using the pain, gain, and curiosity hooks.