# Bridge Race 3D Stack Stair Run vs Zom Attack

The clearest difference is update cadence: Zom Attack at every 10 days against Bridge Race 3D Stack Stair Run's every 6 months. Bridge Race 3D Stack Stair Run's advantage is iOS requirement (13.0 vs 15.0). 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.

Bridge Race 3D Stack Stair Run ships an update every 6 months, Zom Attack every 10 days. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Bridge Race 3D Stack Stair Run | Zom Attack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (18 ratings)](https://appshunter.io/ios/app/zom-attack/id6470202642/reviews)** |
| Number of ratings | — | **18** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | — | Ad-supported |
| Size | 93 MB | 229 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [刚 曾](https://appshunter.io/developer/324816540) | [trendy buy private limited](https://appshunter.io/developer/1573706830) |

## What reviewers say

### Bridge Race 3D Stack Stair Run

[App page](https://appshunter.io/ios/app/bridge-race-3d-stack-stair-run/id1598056347)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zom Attack

[App page](https://appshunter.io/ios/app/zom-attack/id6470202642)

Guide a growing mob through challenging levels, consuming obstacles and enemies to evolve. Build an unstoppable crowd army to defend your conquered towers against relentless attackers. Conquer new territories and reign supreme.

**Highlights:** Consume and grow your mob, Build a crowd army, Defend against attacks, Conquer new territories, Evolve your mob, Raid castles

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

**In-app purchases:** none


## Frequently asked questions

### Is Bridge Race 3D Stack Stair Run free?

Bridge Race 3D Stack Stair Run is free to download, with no in-app purchases.

### Is Zom Attack free?

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

### Do Bridge Race 3D Stack Stair Run or Zom Attack have ads?

Both Bridge Race 3D Stack Stair Run and Zom Attack show ads.

### Which is updated more often, Bridge Race 3D Stack Stair Run or Zom Attack?

Bridge Race 3D Stack Stair Run ships an update every 6 months, and Zom Attack every 10 days. Most recently, Bridge Race 3D Stack Stair Run was updated on October 19, 2026 and Zom Attack on October 16, 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.*