# Invaders(Simple) vs Space Shooter Alien Galaxy War

The clearest difference is in-app purchases: Invaders(Simple) at none against Space Shooter Alien Galaxy War's 7. Invaders(Simple) also leads on ads (none vs shown) and iOS requirement (8.0 vs 13.0). Space Shooter Alien Galaxy War's advantage is update cadence (fortnightly vs every 20 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Space Shooter Alien Galaxy War sells 7 one-off in-app purchases. Invaders(Simple) asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Invaders(Simple) against 5.0 for Space Shooter Alien Galaxy War. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Invaders(Simple) ships an update every 20 months, Space Shooter Alien Galaxy War fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Invaders(Simple) | Space Shooter Alien Galaxy War |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/invaderssimple/id910019357/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/space-shooter-alien-galaxy-war/id6502821321/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 155 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masanao Baba](https://appshunter.io/developer/803806609) | [MOBINATORS (PRIVATE) LIMITED](https://appshunter.io/developer/1738422485) |

## What reviewers say

### Invaders(Simple)

[App page](https://appshunter.io/ios/app/invaderssimple/id910019357)

A classic retro shooter game inspired by Space Invaders. Experience simple, nostalgic gameplay with a focus on pure shooting action. Perfect for quick gaming sessions.

**Highlights:** Retro shooter gameplay, Classic arcade style, Simple controls, Nostalgic experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Space Shooter Alien Galaxy War

[App page](https://appshunter.io/ios/app/space-shooter-alien-galaxy-war/id6502821321)

Defend the galaxy from alien invaders in this thrilling offline space shooter. Pilot advanced starfighters, engage in intense dogfights, and complete challenging missions to save humanity. Upgrade your ship and face epic bosses.

**Highlights:** Offline space shooter gameplay, Upgrade starfighter with weapons and abilities, Multiple challenging levels, Epic boss battles, Simple and attractive graphics

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 10000 Coins | $1.99 | one-time |
| Get 200 Diamonds | $1.99 | one-time |
| Get 20000 Coins | $2.99 | one-time |
| Get 400 Diamonds | $2.99 | one-time |
| Get 30000 Coins | $3.99 | one-time |
| Get 850 Diamonds | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Invaders(Simple) free?

Invaders(Simple) is free to download, with no in-app purchases.

### Is Space Shooter Alien Galaxy War free?

Space Shooter Alien Galaxy War is free to download, with in-app purchases available.

### Which has better reviews, Invaders(Simple) or Space Shooter Alien Galaxy War?

Invaders(Simple) and Space Shooter Alien Galaxy War are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Invaders(Simple) or Space Shooter Alien Galaxy War have ads?

Space Shooter Alien Galaxy War shows ads; Invaders(Simple) does not.

### Which is updated more often, Invaders(Simple) or Space Shooter Alien Galaxy War?

Invaders(Simple) ships an update every 20 months, and Space Shooter Alien Galaxy War fortnightly. Most recently, Invaders(Simple) was updated on October 4, 2026 and Space Shooter Alien Galaxy War 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.*