Comparison

BackendEngineer Questions vs System Design interview prep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BackendEngineer Questions

Features
Read full description

Title: Backend Engineer Interview Prep Subtitle: Ace Your Backend Engineering Interviews Description: Prepare for your backend engineering interviews with the most comprehensive and up-to-date app available. Whether you're a seasoned developer or just starting out, Backend Engineer Interview Prep is your ultimate guide to mastering the technical and conceptual challenges you'll face in your interviews. Key Features: Extensive Question Bank: Access hundreds of curated interview questions covering key topics such as Cloud Computing, CI/CD, IaC, System Design, Networking, Performance Optimization, and more. Detailed Explanations: Each question comes with a detailed explanation to help you understand the concepts and principles behind the answers. Interactive Quizzes: Test your knowledge with interactive quizzes and track your progress over time. Topic-Wise Segmentation: Questions are categorized by topics like Containerization, IaaS/PaaS/SaaS, URL Shortening Service Design, Concurrency and Parallelism, OSI Model, Unit Testing, and more. Mock Interviews: Simulate real interview scenarios with timed mock interviews to enhance your preparation. Performance Analytics: Get detailed analytics on your performance, identify areas for improvement, and focus your study efforts accordingly. Bookmark and Review: Save important questions and revisit them later to reinforce your learning. Regular Updates: Stay ahead of the curve with regular updates to our question bank, ensuring you have the latest information and trends in backend engineering. Why Choose Backend Engineer Interview Prep? Comprehensive Coverage: From the basics to advanced topics, we cover everything you need to know. Expert-Approved Content: Questions and explanations are crafted by experienced backend engineers and interviewers. User-Friendly Interface: Enjoy a smooth and intuitive user experience with our well-designed interface. Offline Access: Study anytime, anywhere with offline access to your saved questions and quizzes. Prepare confidently and excel in your backend engineering interviews with Backend Engineer Interview Prep! Download now and start your journey to landing your dream job.

About

System Design interview prep

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.

Highlights
  • Interactive War Room for architecture scenarios
  • AI Interrogator challenges design decisions
  • Realistic system design interview questions
  • Daily practice drills for skill sharpening
  • Detailed performance analytics
  • Instant feedback and best practice learning
Features
Read full description

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. ----------- Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. 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

Screenshots

BackendEngineer Questions4 screens
System Design interview prep4 screens

Verdict

The call

The clearest difference is price: System Design interview prep at Free against BackendEngineer Questions's $7.99. BackendEngineer Questions's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

System Design interview prep is free to download; BackendEngineer Questions costs $7.99 up front. System Design interview prep sells 5 in-app purchases, starting at $3.99 per 7 days. BackendEngineer Questions asks for nothing beyond the download.

Scorecard3 real differences · 7 level
BackendEngineer Questions versus System Design interview prep: the parameters behind the verdict, then further details
ParameterBackendEngineer QuestionsSystem Design interview prep
Price$7.99Free — better
Rating—1.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequency—Monthly
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size9 MB89 MB
Age rating17+4+
DeveloperBuydeepdiscount.com LLCAbdelhak El Moussaoui

In-app purchases

None

BackendEngineer Questions

No in-app purchases

5 purchases

System Design interview prep

Subscriptions5
  • Unlimited access$3.997 Days
  • Unlimited access$4.997 Days
  • Unlimited access$6.991 Month
Show 2 more
  • Unlimited access7 Days trial$12.991 Month
  • Unlimited access7 Days trial$99.991 Year

Questions

Is BackendEngineer Questions free?
BackendEngineer Questions costs $7.99, with no in-app purchases.
Is System Design interview prep free?
System Design interview prep is free to download, with in-app purchases available.
Do BackendEngineer Questions or System Design interview prep have ads?
System Design interview prep shows ads; BackendEngineer Questions does not.

Other comparisons