# Pearl Harbor™ vs InvaZium

The clearest difference is price: InvaZium at Free against Pearl Harbor™'s $6.99. InvaZium also leads on in-app purchases (none vs 1) and update cadence (every 6 days vs every 38 months). On ads, device support and iOS requirement there is nothing between them.

InvaZium is free to download; Pearl Harbor™ costs $6.99 up front. Pearl Harbor™ sells 1 one-off in-app purchase. InvaZium asks for nothing beyond the download.

Pearl Harbor™ ships an update every 38 months, InvaZium every 6 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pearl Harbor™ | InvaZium |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/pearl-harbor/id1257633114/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 46 MB | 54 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Domyung Kim](https://appshunter.io/developer/1068125396) | [Daniel Canete Campos](https://appshunter.io/developer/1273575992) |

## What reviewers say

### Pearl Harbor™

[App page](https://appshunter.io/ios/app/pearl-harbor/id1257633114)

Develop a peaceful city on a warship, managing resources and population growth. Build structures like airports to enhance your city's development and trade capabilities.

**Highlights:** Develop a warship city, Manage city resources, Trade grains with navy, Increase population, Build airports, Speed up urban growth

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 500000 Game money | $4.99 | one-time |


### InvaZium

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pearl Harbor™ free?

Pearl Harbor™ costs $6.99, and also offers in-app purchases.

### Is InvaZium free?

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

### Do Pearl Harbor™ or InvaZium have ads?

Neither Pearl Harbor™ nor InvaZium shows ads.

### Which is updated more often, Pearl Harbor™ or InvaZium?

Pearl Harbor™ ships an update every 38 months, and InvaZium every 6 days. Most recently, Pearl Harbor™ was updated on October 6, 2026 and InvaZium on October 7, 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.*