# System Design interview prep vs System Design Arcade

The clearest difference is review sentiment: System Design Arcade at 100% against System Design interview prep's 0%. System Design Arcade also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 5). On price, update cadence and device support there is nothing between them.

Both are free to download. System Design interview prep sells 5 in-app purchases, starting at $3.99 per 7 days. System Design Arcade asks for nothing beyond the download.

System Design Arcade holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews point the same way: 0% of System Design interview prep's written reviews are positive against 100% of System Design Arcade's.

System Design interview prep ships an update monthly, System Design Arcade fortnightly. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | System Design interview prep | System Design Arcade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/system-design-interview-prep/id6756310915/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/system-design-arcade/id6759821733/reviews)** |
| Number of ratings | 2 | **9** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 89 MB | 38 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Abdelhak El Moussaoui](https://appshunter.io/developer/1827690433) | [Harsha Hassan Somashekara](https://appshunter.io/developer/1842004703) |

## What reviewers say

### System Design interview prep

[App page](https://appshunter.io/ios/app/system-design-interview-prep/id6756310915)

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:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $3.99 | per 7 days |
| Unlimited access | $4.99 | per 7 days |
| Unlimited access | $6.99 | per month |
| Unlimited access | $12.99 | per month |
| Unlimited access | $99.99 | per year |


### System Design Arcade

[App page](https://appshunter.io/ios/app/system-design-arcade/id6759821733)

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.

**Highlights:** Arcade-style mini-games for system design concepts, End-to-end system design challenges, Hands-on drills with infrastructure tools, Narrative-driven story mode, Varied challenge types (multiple choice, puzzles, builder), Daily challenges with streak tracking, Offline progress saving

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is System Design interview prep free?

System Design interview prep is free to download, with in-app purchases available.

### Is System Design Arcade free?

System Design Arcade is free to download, with no in-app purchases.

### Which has better reviews, System Design interview prep or System Design Arcade?

System Design Arcade is rated higher. System Design interview prep averages 1.0 out of 5 from 2 ratings, while System Design Arcade averages 5.0 from 9 ratings.

### Do System Design interview prep or System Design Arcade have ads?

System Design interview prep shows ads; System Design Arcade does not.

### Which is updated more often, System Design interview prep or System Design Arcade?

System Design interview prep ships an update monthly, and System Design Arcade fortnightly. Most recently, System Design interview prep was updated on September 26, 2026 and System Design Arcade on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*