codeDex

CodeDex is the interactive learning platform for iOS developers mastering Clean Code and professional development practices. 30+ Real Challenges Learn by solving, not memorizing. Each challenge teaches practical iOS development concepts—from Clean Architecture to MVVM patterns. 3-Level Progression Start with Junior challenges, progress through Mid-level problems, and master Senior concepts. Track your growth every step of the way. Interview Ready Practice the fundamentals that matter. Understand the concepts interviewers care about. Build confidence for technical interviews. Features: - 30+ interactive coding challenges - Clean Architecture & MVVM mastery - Progress tracking with visual feedback - Level unlock system that challenges you - Localized in English & Spanish - Learn offline, anytime, anywhere How It Works: Solve challenges → Get instant feedback → Unlock new levels → Master iOS fundamentals Perfect for junior developers ramping up, senior engineers staying sharp, or anyone preparing for iOS development roles. Start free. Premium unlocks all levels and removes ads. Master iOS. Build better code.