# Rocket Protector vs InvaZium

The clearest difference is in-app purchases: InvaZium at none against Rocket Protector's 3. InvaZium also leads on ads (none vs shown) and update cadence (every 6 days vs every 24 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Rocket Protector sells 3 one-off in-app purchases. InvaZium asks for nothing beyond the download.

Rocket Protector ships an update every 24 months, InvaZium every 6 days. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Rocket Protector | InvaZium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/rocket-protector/id1410179786/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 24 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 54 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALEXEY KOZLOV](https://appshunter.io/developer/1393860478) | [Daniel Canete Campos](https://appshunter.io/developer/1273575992) |

## What reviewers say

### Rocket Protector

[App page](https://appshunter.io/ios/app/rocket-protector/id1410179786)

Test your reflexes and precision by defending a planet from incoming asteroids. Launch rockets to destroy threats and upgrade your arsenal to survive longer. The goal is to see how long you can protect your world.

**Highlights:** Planet rotation via swipe, Rocket launching by tap, Asteroid destruction, Missile upgrades, Reaction and accuracy testing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| 100 mineral | $0.99 | one-time |
| 500 mineral | $1.99 | one-time |


### InvaZium

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rocket Protector free?

Rocket Protector is free to download, with in-app purchases available.

### Is InvaZium free?

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

### Do Rocket Protector or InvaZium have ads?

Rocket Protector shows ads; InvaZium does not.

### Which is updated more often, Rocket Protector or InvaZium?

Rocket Protector ships an update every 24 months, and InvaZium every 6 days. Most recently, Rocket Protector was updated on September 29, 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.*