# الرياح المشاغبة vs System Design Refresher

The clearest difference is in-app purchases: System Design Refresher at none against الرياح المشاغبة's 1. System Design Refresher also leads on update cadence (monthly vs every 39 months). الرياح المشاغبة's advantage is iOS requirement (14.1 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. الرياح المشاغبة sells 1 one-off in-app purchase. System Design Refresher asks for nothing beyond the download.

الرياح المشاغبة ships an update every 39 months, System Design Refresher monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | الرياح المشاغبة | System Design Refresher |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 39 months | **Monthly** |
| Size | 51 MB | 18 MB |
| Requires iOS | **14.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digital Future LTD](https://appshunter.io/developer/422014714) | [Saurabh Sharma](https://appshunter.io/developer/1883599017) |

## What reviewers say

### الرياح المشاغبة

[App page](https://appshunter.io/ios/app/id1360597982)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| الرياح المشاغبة | $1.99 | one-time |


### System Design Refresher

[App page](https://appshunter.io/ios/app/system-design-refresher/id6760277935)

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

**In-app purchases:** none


## Frequently asked questions

### Is الرياح المشاغبة free?

الرياح المشاغبة is free to download, with in-app purchases available.

### Is System Design Refresher free?

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

### Do الرياح المشاغبة or System Design Refresher have ads?

Neither الرياح المشاغبة nor System Design Refresher shows ads.

### Which is updated more often, الرياح المشاغبة or System Design Refresher?

الرياح المشاغبة ships an update every 39 months, and System Design Refresher monthly. Most recently, الرياح المشاغبة was updated on October 26, 2026 and System Design Refresher on October 25, 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.*