OnyxPrep: System Design & Code

Master the Tech Interview with OnyxPrep

OnyxPrep is your ultimate, distraction-free companion for conquering software engineering, system design, and product management interviews. Whether you're aiming for FAANG or a hyper-growth startup, OnyxPrep provides a deeply focused, gamified learning experience designed to build your skills and your confidence.

Features:

🚀 Massive Offline Curriculum (8,000+ Questions) Study anywhere, anytime. OnyxPrep comes pre-loaded with over 8,000 structured interview questions covering System Design, Data Structures & Algorithms, General Cognitive Ability (GCA), and Behavioral rounds. No internet? No problem. Your study material is always accessible.

🧠 Objective AI Code Evaluation Stop wondering if your solution is optimal. OnyxPrep’s Adaptive AI acts as your personal technical interviewer, providing instant, strictly objective feedback on your Time Complexity (Big-O), Space Complexity, and edge cases. Choose your AI’s strictness level—from an Encouraging Mentor to a Strict FAANG Interviewer.

🏗️ Interactive System Design Canvas Whiteboard your architectures right on your device. Drag, drop, and connect cloud nodes (AWS, GCP, Azure) to map out scalable microservices and databases.

💻 Local Web-Sync IDE Typing code on a phone is hard. With OnyxPrep’s Secure Web-Sync, instantly connect your mobile app to your desktop browser via a secure 4-digit PIN over your local Wi-Fi. Type on your physical keyboard and watch your code evaluate on your phone in real-time.

🔥 Gamified Habit Building Stay consistent with our daily streak tracker and confetti celebrations. Build the ultimate study habit by completing your daily goals.

Ready to land your dream tech job? Download OnyxPrep today.