# Stack Attack vs Wu Xing

The clearest difference is update cadence: Stack Attack at monthly against Wu Xing's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stack Attack ships an update monthly, Wu Xing every 3 months. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Stack Attack | Wu Xing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Size | 39 MB | 186 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Razin](https://appshunter.io/developer/1460485493) | [Beijing Ningdom Technology Co., Ltd.](https://appshunter.io/developer/434217018) |

## What reviewers say

### Stack Attack

[App page](https://appshunter.io/ios/app/stack-attack-block-puzzle/id6449266462)

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

**In-app purchases:** none


### Wu Xing

[App page](https://appshunter.io/ios/app/wu-xing/id6751810914)

**In-app purchases:** none


## Frequently asked questions

### Is Stack Attack free?

Stack Attack is free to download, with no in-app purchases.

### Is Wu Xing free?

Wu Xing is free to download, with no in-app purchases.

### Do Stack Attack or Wu Xing have ads?

Both Stack Attack and Wu Xing show ads.

### Which is updated more often, Stack Attack or Wu Xing?

Stack Attack ships an update monthly, and Wu Xing every 3 months. Most recently, Stack Attack was updated on September 29, 2026 and Wu Xing on October 8, 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.*