Best System Design Interview Prep Apps &amp; Games

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This app simulates system design interviews with an AI interrogator and interactive scenarios. Practice real-world architecture problems, receive instant feedback, and track your progress to ace your next tech interview.

Tech Interview Prep by Aman Navani

Strong Contender

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Free

System Design Refresher by Saurabh Sharma

Worth Considering

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Free

More System Design Interview Prep apps to explore

Devmaxx

Master System Design

Daily system design questionsClear explanations and answer breakdownsLinked learning resources

This app provides a daily system design question to help software engineers master essential skills for interviews and career growth. It offers clear explanations, linked resources, and a private community for learning and practice.

System design interview coach

AlgoMaster: Interview Prep

DSA & System Design Prep

Curated DSA practice problemsPattern-based interview preparationSystem design lessons

Prepare for coding and system design interviews with structured learning, visual explanations, and pattern-based practice. Master core computer science concepts and build intuition for technical interviews.

Interview Pilot: AI Copilot

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AI Job & Interview Assistant

Real-time AI copilot for interviewsInstant, tailored answers to questionsResume and job detail customization

This app acts as a real-time interview assistant, providing instant, tailored answers to technical and behavioral questions. Upload your resume and job details to receive customized responses, helping you refine your performance during live interviews. It supports multiple languages and accents, with options for conversation or question-based modes.

free with in-app purchases

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Interview AI Copilot: Whisper

AI Interview Answers On-Screen

Voice transcription and AI analysis of interviewer questionsSmart clipboard integration for cross-device analysisScreen capture analysis of code and diagrams

This app acts as an invisible partner during interviews, offering real-time AI-powered guidance for coding tasks, whiteboard sessions, and rapid-fire questions. It features voice transcription, smart clipboard integration, and screen capture analysis to help you respond confidently.

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free with in-app purchases

PrepDossier: Interview Prep

Company interview questions

System design flashcards

Practice System Design Daily

Arcade-style mini-games for system design conceptsEnd-to-end system design challengesHands-on drills with infrastructure tools

Learn complex system design concepts through engaging, bite-sized arcade-style games. Master building blocks, design full systems, and practice with real infrastructure tools. Progress is saved locally and no account is required.

Tech Interview Practice

by Vitalii Mykhailiuk

AlgoCards: Code Interview Prep

Algorithm Flashcards & DSA

LockedIn AI: Interview Prep

Mock Rounds & Instant Answers

AI mock interviews with realistic feedbackReal-time answer suggestionsResume-aware response tailoring

Practice job interviews with AI, receive instant feedback, and get help crafting structured answers. Includes coding problem solutions and personalized coaching reports based on your resume.

free with in-app purchases

(14)

Sotto: Interview Copilot

Coding & System Design Quiz

DevPrep: AI Interview Coach

Voice Tech Job Interview Sim