
System Design interview prep
AI Simulator for system design
Free · In‑App Purchases · Designed for iPad
ArchSim is the ultimate training ground for software engineers preparing for system design interviews. Forget passive reading—ArchSim puts you in the driver’s seat of a high-stakes engineering simulation with a fast, value-first onboarding and a 60‑second drill preview to get you into the action quickly.
Key Features:
Interactive War Room: Solve real-world architecture scenarios in a dynamic environment. Define requirements, estimate capacity, and design your system component by component.
AI Interrogator: Face off against an intelligent Prep AI that challenges your decisions, asks follow-up questions, and probes for weaknesses in your design.
Realistic Scenarios: Tackle classic and modern interview questions like “Design a URL Shortener” and “Design a Social Network.” Perfect for your job search.
Daily Drills: Short 5–10 minute practice sessions to build fundamentals, track streaks, and sharpen core skills.
Detailed Analytics: Track your performance, identify knowledge gaps, and monitor your improvement over time with comprehensive metrics.
Debrief & Learn: Get instant feedback on your design choices and learn best practices for scalability, reliability, and maintainability.
Whether you are a junior developer or a staff engineer, ArchSim provides the practice you need to ace your next tech interview and land your dream job.
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Terms of Use: https://calico-magnolia-61e.notion.site/archsim-terms-of-use-2c6
Privacy Policy: https://calico-magnolia-61e.notion.site/archsim-privacy-policy-2c
- Faster, value‑first onboarding with clearer messaging
- Daily Drill now stays within the main navigation for a smoother flow
- Advanced architecture analysis
The developer, Abdelhak El Moussaoui, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Abdelhak El Moussaoui
- Size
- 93.6 MB
- Category
- Education
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlimited access $99.99
- Unlimited access $12.99
- Unlimited access $3.99
- Unlimited access $4.99
- Unlimited access $6.99
- Copyright
- © ArchSim 2025