# Defense Battle vs Galaxy Alien Space Attack

The clearest difference is in-app purchases: Galaxy Alien Space Attack at none against Defense Battle's 5. Galaxy Alien Space Attack also leads on update cadence (daily vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Defense Battle sells 5 one-off in-app purchases. Galaxy Alien Space Attack asks for nothing beyond the download.

Defense Battle ships an update monthly, Galaxy Alien Space Attack daily. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Defense Battle | Galaxy Alien Space Attack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (8 ratings)](https://appshunter.io/ios/app/defense-battle/id591586499/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 127 MB | 87 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Smith](https://appshunter.io/developer/483881207) | [刚 曾](https://appshunter.io/developer/324816540) |

## What reviewers say

### Defense Battle

[App page](https://appshunter.io/ios/app/defense-battle/id591586499)

Defend your base from waves of attacking tanks and jeeps in this tower defense arcade game with RPG elements. Upgrade your turret, use special weapons like strikes and shields, and protect the base wall to become the best defender.

**Highlights:** Tower defense gameplay, RPG elements, Special weapon abilities (Strike, Stop, Shield), Tower and weapon upgrades, Base defense, Daily play rewards

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| 10000 Coins | $1.99 | one-time |
| 35000 Coins | $4.99 | one-time |
| 160000 Coins | $19.99 | one-time |
| 320000 Coins | $29.99 | one-time |


### Galaxy Alien Space Attack

[App page](https://appshunter.io/ios/app/galaxy-alien-space-attack/id6790705228)

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

**In-app purchases:** none


## Frequently asked questions

### Is Defense Battle free?

Defense Battle is free to download, with in-app purchases available.

### Is Galaxy Alien Space Attack free?

Galaxy Alien Space Attack is free to download, with no in-app purchases.

### Do Defense Battle or Galaxy Alien Space Attack have ads?

Both Defense Battle and Galaxy Alien Space Attack show ads.

### Which is updated more often, Defense Battle or Galaxy Alien Space Attack?

Defense Battle ships an update monthly, and Galaxy Alien Space Attack daily. Most recently, Defense Battle was updated on November 1, 2026 and Galaxy Alien Space Attack on October 31, 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.*