Daily1600 is an adaptive Digital SAT preparation app designed to turn study into a daily habit. Key features: • Border Collie Tutor: A deterministic Socratic coaching engine built with GPT-5.6 that guides students through problem-solving without giving away direct answers. • Adaptive Practice: Real-time feedback tailored to individual skill levels and test objectives. • Ivy League Inspired UX: Clean, focused design aesthetic optimized for rapid daily practice sessions.