# Immune Crisis vs Trench Attack

The clearest difference is in-app purchases: Trench Attack at none against Immune Crisis's 3. Trench Attack also leads on iOS requirement (13.0 vs 16.4). Immune Crisis's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Immune Crisis sells 3 one-off in-app purchases. Trench Attack asks for nothing beyond the download.

Immune Crisis ships an update weekly, Trench Attack every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Immune Crisis | Trench Attack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trench-attack/id6789092283/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | — | Ad-supported |
| Size | 61 MB | 204 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Takashi Nishimoto](https://appshunter.io/developer/1863579544) | [灵鑫 张](https://appshunter.io/developer/1896061554) |

## What reviewers say

### Immune Crisis

[App page](https://appshunter.io/ios/app/immune-crisis/id6781148047)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 記憶細胞 600（お試し） | $0.99 | one-time |
| 標準（記憶細胞 2600） | $3.99 | one-time |
| 記憶細胞 8,000（お得） | $9.99 | one-time |


### Trench Attack

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

Engage in accessible PvP strategy battles on a modern battlefield. Expand your trench, uncover blueprints to build your base, and command diverse troops. Time your charges wisely to destroy enemy structures and win.

**Highlights:** Expand trench by digging tiles, Uncover blueprints to construct buildings, Generate gold and build barracks, Command varied soldier roster, Deploy unique hero, Time decisive charges, Destroy all enemy structures to win

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Immune Crisis free?

Immune Crisis is free to download, with in-app purchases available.

### Is Trench Attack free?

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

### Do Immune Crisis or Trench Attack have ads?

Trench Attack shows ads; Immune Crisis does not.

### Which is updated more often, Immune Crisis or Trench Attack?

Immune Crisis ships an update weekly, and Trench Attack every 9 days. Most recently, Immune Crisis was updated on October 24, 2026 and Trench Attack 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.*