# Trench Attack vs Boulder Evolution

The clearest difference is update cadence: Boulder Evolution at daily against Trench Attack's every 9 days. Trench Attack'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.

Trench Attack ships an update every 9 days, Boulder Evolution daily. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Trench Attack | Boulder Evolution |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Daily** |
| Size | 268 MB | 393 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [灵鑫 张](https://appshunter.io/developer/1896061554) | [Mintah Games](https://appshunter.io/developer/1436916050) |

## What reviewers say

### Trench Attack

[App page](https://appshunter.io/ios/app/trench-attack/id6789092283)

**Features:** Vision Pro support

**In-app purchases:** none


### Boulder Evolution

[App page](https://appshunter.io/ios/app/boulder-evolution/id6819762049)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trench Attack free?

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

### Is Boulder Evolution free?

Boulder Evolution is free to download, with no in-app purchases.

### Do Trench Attack or Boulder Evolution have ads?

Both Trench Attack and Boulder Evolution show ads.

### Which is updated more often, Trench Attack or Boulder Evolution?

Trench Attack ships an update every 9 days, and Boulder Evolution daily. Most recently, Trench Attack was updated on October 6, 2026 and Boulder Evolution on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*