# Nuclear Defence vs InvaZium

The clearest difference is price: InvaZium at Free against Nuclear Defence's $0.99. InvaZium also leads on update cadence (every 6 days vs every 9 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

InvaZium is free to download; Nuclear Defence costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nuclear Defence ships an update every 9 months, InvaZium every 6 days. The most recent releases landed on September 27, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Nuclear Defence | InvaZium |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/nuclear-defence/id361967071/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 33 MB | 54 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Daniel Canete Campos](https://appshunter.io/developer/1273575992) |

## What reviewers say

### Nuclear Defence

[App page](https://appshunter.io/ios/app/nuclear-defence/id361967071)

Engage in a desperate defense of the Alpha galaxy against alien invaders and nuclear attacks. Strategically command your units, manage energy, and unleash devastating firepower in this immersive space combat game.

**Highlights:** Nuclear war with realistic graphics, Strategic command of defense units, Energy management for combat units, Multiple fire options, Bomb deployment, Game pause functionality, Automatic score and unit tracking

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

**In-app purchases:** none


### InvaZium

[App page](https://appshunter.io/ios/app/invazium/id6480328706)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nuclear Defence free?

Nuclear Defence costs $0.99, with no in-app purchases.

### Is InvaZium free?

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

### Do Nuclear Defence or InvaZium have ads?

Neither Nuclear Defence nor InvaZium shows ads.

### Which is updated more often, Nuclear Defence or InvaZium?

Nuclear Defence ships an update every 9 months, and InvaZium every 6 days. Most recently, Nuclear Defence was updated on September 27, 2026 and InvaZium 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.*