# Defense Zone vs Nerkco

The clearest difference is ads: Nerkco at none against Defense Zone's shown. Nerkco also leads on update cadence (every 2 days vs every 2 months). Defense Zone's advantage is iOS requirement (12.4 vs 15.0). On price, 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.

Defense Zone ships an update every 2 months, Nerkco every 2 days. The most recent releases landed on September 27, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Defense Zone | Nerkco |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (18 ratings)](https://appshunter.io/ios/app/defense-zone-original/id789656958/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 192 MB | 41 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Artem Kotov](https://appshunter.io/developer/489472295) | [Nerkco LLC](https://appshunter.io/developer/1166008668) |

## What reviewers say

### Defense Zone

[App page](https://appshunter.io/ios/app/defense-zone-original/id789656958)

Defend your territory against massive enemy hordes using a variety of turrets and weaponry. Strategically upgrade your defenses and choose the right tactics to overcome increasingly complex levels in this classic tower defense experience.

**Highlights:** Strategic turret placement, Upgrade veteran units, Purchase new weaponry, Variety of defense tactics, 10 challenging levels, In-depth gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Nerkco

[App page](https://appshunter.io/ios/app/nerkco/id6787350794)

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

**In-app purchases:** none


## Frequently asked questions

### Is Defense Zone free?

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

### Is Nerkco free?

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

### Do Defense Zone or Nerkco have ads?

Defense Zone shows ads; Nerkco does not.

### Which is updated more often, Defense Zone or Nerkco?

Defense Zone ships an update every 2 months, and Nerkco every 2 days. Most recently, Defense Zone was updated on September 27, 2026 and Nerkco on September 11, 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.*