Now in early access

See where you stand. Understand why.

Transform how you prepare for coding interviews. AI-powered diagnostics, interactive visualizations, and a Socratic tutor that guides you to understanding—never just answers.

Learn patterns, not just problems

Master 20+ coding patterns with interactive visualizations that make abstract algorithms concrete.

🎯

AI Diagnostics

Know exactly where you stand across pattern recognition, complexity analysis, and implementation skills.

🔮

Visual Learning

See algorithms come alive with interactive visualizations. Two pointers as a rubber band, sliding window as a train.

🧠

Socratic Tutor

An AI that asks the right questions to guide you to understanding. Never spoils the solution.