# System Design Arcade vs Blue Penguin Linux Prep

The clearest difference is price: System Design Arcade at Free against Blue Penguin Linux Prep's $1.99. System Design Arcade also leads on ratings volume (13 vs 1). On rating, update cadence, ads and in-app purchases there is nothing between them.

System Design Arcade is free to download; Blue Penguin Linux Prep costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for System Design Arcade against 5.0 for Blue Penguin Linux Prep. That said, the two scores are not equally well evidenced: System Design Arcade has 13 ratings behind it against 1, so its average is the more settled of the two.

System Design Arcade ships an update every 2 weeks, Blue Penguin Linux Prep fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | System Design Arcade | Blue Penguin Linux Prep |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/system-design-arcade/id6759821733/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/blue-penguin-linux-prep/id6789564914/reviews) |
| Number of ratings | **13** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 39 MB | 21 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harsha Hassan Somashekara](https://appshunter.io/developer/1842004703) | [Leason Rykaart](https://appshunter.io/developer/1542598308) |

## What reviewers say

### 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


### Blue Penguin Linux Prep

[App page](https://appshunter.io/ios/app/blue-penguin-linux-prep/id6789564914)

Prepare for the RHCSA 10 (EX200) exam with offline study materials, practice questions, and hands-on labs. Track your progress, maintain a practice streak, and set exam reminders. All your data is stored locally.

**Highlights:** Exam-focused study material, Practice multiple-choice questions, Hands-on labs with verification, Timed mock exams, Progress tracking and streaks, Personal notes and bookmarks, Offline access

**In-app purchases:** none


## Frequently asked questions

### Is System Design Arcade free?

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

### Is Blue Penguin Linux Prep free?

Blue Penguin Linux Prep costs $1.99, with no in-app purchases.

### Which has better reviews, System Design Arcade or Blue Penguin Linux Prep?

System Design Arcade and Blue Penguin Linux Prep are both rated 5.0 out of 5 on the App Store, from 13 and 1 ratings respectively.

### Do System Design Arcade or Blue Penguin Linux Prep have ads?

Neither System Design Arcade nor Blue Penguin Linux Prep shows ads.

### Which is updated more often, System Design Arcade or Blue Penguin Linux Prep?

System Design Arcade ships an update every 2 weeks, and Blue Penguin Linux Prep fortnightly. Most recently, System Design Arcade was updated on October 31, 2026 and Blue Penguin Linux Prep on October 31, 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.*