# Zombie Directive vs Tower

The clearest difference is ads: Zombie Directive at none against Tower's shown. On price, update cadence, 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.

Zombie Directive ships an update weekly, Tower fortnightly. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Zombie Directive | Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Size | 60 MB | 415 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Chengdu Sanhao Nianhua Technology Co., Ltd](https://appshunter.io/developer/1576652891) | [Cameo Games](https://appshunter.io/developer/1543001166) |

## What reviewers say

### Zombie Directive

[App page](https://appshunter.io/ios/app/zombie-directive-7-day-siege/id6748058686)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tower

[App page](https://appshunter.io/ios/app/tower-clash/id6748141508)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zombie Directive free?

Zombie Directive is free to download, with no in-app purchases.

### Is Tower free?

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

### Do Zombie Directive or Tower have ads?

Tower shows ads; Zombie Directive does not.

### Which is updated more often, Zombie Directive or Tower?

Zombie Directive ships an update weekly, and Tower fortnightly. Most recently, Zombie Directive was updated on November 5, 2026 and Tower on October 30, 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.*