All activity
Adrian Sebulibaleft a comment
Hey PH! I'm Adrian, solo developer behind PrepCity. I built this because interview prep felt broken. You either watch hours of lectures, memorize solutions you forget in a week, or pay $100+ per mock interview. PrepCity takes a different approach: - The mock interviewer is adversarial by design. It catches your math errors ("100M/86400 is not 1000 QPS"), challenges hand-waving ("that's a...
PrepCityAI coach that drills you harder than a real FAANG interview
PrepCity is an AI interviewer that never goes easy on you. It catches bad math, challenges vague answers, and grades you on Google's L3-L7 scale.
For coding, it derives solutions from observation - not memorization. Trace by hand, spot the pattern, code emerges naturally.
For system design, it analyzes your architecture with graph algorithms to find flaws, then grills you on each one.
Web, Android, Windows. Voice mode included. 236 topics. 74 coding problems.
PrepCityAI coach that drills you harder than a real FAANG interview