# System Design Arcade vs Performance Engineer Trainer

The clearest difference is update cadence: Performance Engineer Trainer at every 4 days against System Design Arcade's every 2 weeks. System Design Arcade's advantage is ratings volume (13 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. 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 Performance Engineer Trainer. 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, Performance Engineer Trainer every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | System Design Arcade | Performance Engineer Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/system-design-arcade/id6759821733/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/performance-engineer-trainer/id6761308281/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 | **Every 4 days** |
| Monetization | Free | — |
| Size | 39 MB | 4 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Harsha Hassan Somashekara](https://appshunter.io/developer/1842004703) | [Kirill Kalistratov](https://appshunter.io/developer/1888794382) |

## 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


### Performance Engineer Trainer

[App page](https://appshunter.io/ios/app/performance-engineer-trainer/id6761308281)

**Features:** macOS Compatibility

**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 Performance Engineer Trainer free?

Performance Engineer Trainer is free to download, with no in-app purchases.

### Which has better reviews, System Design Arcade or Performance Engineer Trainer?

System Design Arcade and Performance Engineer Trainer are both rated 5.0 out of 5 on the App Store, from 13 and 1 ratings respectively.

### Do System Design Arcade or Performance Engineer Trainer have ads?

Neither System Design Arcade nor Performance Engineer Trainer shows ads.

### Which is updated more often, System Design Arcade or Performance Engineer Trainer?

System Design Arcade ships an update every 2 weeks, and Performance Engineer Trainer every 4 days. Most recently, System Design Arcade was updated on October 24, 2026 and Performance Engineer Trainer on October 24, 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.*