# Asteroids Attack Pro vs Invaliens, Galaxy Defender.

The clearest difference is price: Invaliens, Galaxy Defender. at Free against Asteroids Attack Pro's $0.99. Invaliens, Galaxy Defender. also leads on iOS requirement (13.0 vs 15.0). Asteroids Attack Pro's advantage is ads (none vs shown) and update cadence (every 4 months vs every 35 months). On in-app purchases and device support there is nothing between them.

Invaliens, Galaxy Defender. is free to download; Asteroids Attack Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Asteroids Attack Pro ships an update every 4 months, Invaliens, Galaxy Defender. every 35 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Asteroids Attack Pro | Invaliens, Galaxy Defender. |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (16 ratings)](https://appshunter.io/ios/app/asteroids-attack-pro/id875573259/reviews)** | — |
| Number of ratings | **16** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 35 months |
| Monetization | Paid | **Ad-supported** |
| Size | 13 MB | 79 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Sergio Licea](https://appshunter.io/developer/469446041) | [Galatic Droids](https://appshunter.io/developer/806182439) |

## What reviewers say

### Asteroids Attack Pro

[App page](https://appshunter.io/ios/app/asteroids-attack-pro/id875573259)

Pilot a spaceship through a field of increasingly fast-moving asteroids. Tap to maneuver and avoid collisions to achieve the highest score. Offers multiple difficulty levels and Game Center leaderboards for competitive play.

**Highlights:** Spaceship control, Asteroid avoidance, Multiple difficulty levels, Asteroid collision toggle, Game Center leaderboards, Universal app support

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

**In-app purchases:** none


### Invaliens, Galaxy Defender.

[App page](https://appshunter.io/ios/app/invaliens-galaxy-defender/id1134017277)

Defend the galaxy in this retro arcade shoot 'em up. Utilize powerful weapons like neutron lasers and smart bombs to defeat waves of mutating space invaders. Keep moving, keep firing, and strategize your smart bomb usage to save the Megaverse.

**Highlights:** Horizontal scrolling arcade shooter, Neutron laser blasters, Proton shields, Smart bombs, Defeat mutating space invaders, Radar system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Asteroids Attack Pro free?

Asteroids Attack Pro costs $0.99, with no in-app purchases.

### Is Invaliens, Galaxy Defender. free?

Invaliens, Galaxy Defender. is free to download, with no in-app purchases.

### Do Asteroids Attack Pro or Invaliens, Galaxy Defender. have ads?

Invaliens, Galaxy Defender. shows ads; Asteroids Attack Pro does not.

### Which is updated more often, Asteroids Attack Pro or Invaliens, Galaxy Defender.?

Asteroids Attack Pro ships an update every 4 months, and Invaliens, Galaxy Defender. every 35 months. Most recently, Asteroids Attack Pro was updated on October 22, 2026 and Invaliens, Galaxy Defender. on October 24, 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.*