The first dedicated study app for Anthropic's Claude Certified Architect - Foundations exam. Practice 151 scenario-based questions mapped to all 5 official exam domains with real-world weights. Built-in spaced repetition (SM-2) resurfaces your weak spots automatically. Take full 40-question exam simulations scored on the official 100-1000 scale. Track your progress with streaks, achievements, and per-domain accuracy. Free on iOS - study anywhere, pass with confidence