Build, Measure and Grow iOS subscription business
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Updated
Aug 31, 2026 - Swift
Build, Measure and Grow iOS subscription business
A framework for designing App Store-compliant subscription paywalls. 4 layers: AI skill (Claude/GPT/Cursor) + knowledge base (79 sourced benchmarks) + Python LTV tool + docs. 20-concept academic foundation (Kahneman + Layer 2). Flagship domain Paywall; expansion planned to Onboarding, Retention, Growth, Pricing, Reviews.
Build, Measure and Grow iOS subscription business
The AppMetrica SDK module for interacting with AppHud
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