# Build The Tower vs Z

The clearest difference is update cadence: Build The Tower at every 3 days against Z's every 2 weeks. Build The Tower also leads on iOS requirement (11.0 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.

Build The Tower ships an update every 3 days, Z every 2 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Build The Tower | Z |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/z-break-voidbase/id6760703490/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 170 MB | 277 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hemz Studios LLC](https://appshunter.io/developer/1482399421) | [Aleksandr Krasyuk](https://appshunter.io/developer/1040797820) |

## What reviewers say

### Build The Tower

[App page](https://appshunter.io/ios/app/build-the-tower/id1627257135)

**Features:** macOS Compatibility

**In-app purchases:** none


### Z

[App page](https://appshunter.io/ios/app/z-break-voidbase/id6760703490)

Establish a fortified base, scavenge for resources, and upgrade your hero to survive relentless zombie hordes in this post-apocalyptic RPG. Strategize your defenses and combat to overcome mutated threats and build a lasting legacy.

**Highlights:** Base building and defense, Resource scavenging and crafting, Hero leveling and skill customization, Intense zombie combat, Challenging boss fights, Post-apocalyptic world immersion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Build The Tower free?

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

### Is Z free?

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

### Do Build The Tower or Z have ads?

Both Build The Tower and Z show ads.

### Which is updated more often, Build The Tower or Z?

Build The Tower ships an update every 3 days, and Z every 2 weeks. Most recently, Build The Tower was updated on November 7, 2026 and Z on October 31, 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.*