Shift is a driving-permit test-prep app designed for teens aged 15-17. It offers state-specific practice for all 50 states, adaptive AI questions, and a full-length simulated DMV exam. The app features a readiness speedometer, daily streaks with freeze tokens, and Crews where friends can study together and compete on the weekly leaderboard. Shift has a unique 'Driver's Cockpit' UI and is installable and offline-ready, with AI explanations for every question. Shift