# Space Attack vs Purrbit

The clearest difference is in-app purchases: Purrbit at none against Space Attack's 7. Purrbit also leads on update cadence (daily vs every 4 weeks). Space Attack's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Space Attack sells 7 one-off in-app purchases. Purrbit asks for nothing beyond the download.

Space Attack ships an update every 4 weeks, Purrbit daily. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Space Attack | Purrbit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-attack-alien-shooter/id6476985323/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Daily** |
| Size | 355 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rainbow 5s Co., Ltd](https://appshunter.io/developer/1583144420) | [theCommonist](https://appshunter.io/developer/1808643159) |

## What reviewers say

### Space Attack

[App page](https://appshunter.io/ios/app/space-attack-alien-shooter/id6476985323)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Coin Pack 1 | $1.99 | one-time |
| Gem Pack 1 | $3.99 | one-time |
| Gem Pack 2 | $5.99 | one-time |
| Coin Pack 2 | $6.99 | one-time |
| Coin Pack 3 | $9.99 | one-time |
| Gem Pack 3 | $9.99 | one-time |


### Purrbit

[App page](https://appshunter.io/ios/app/purrbit/id6744641524)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Attack free?

Space Attack is free to download, with in-app purchases available.

### Is Purrbit free?

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

### Do Space Attack or Purrbit have ads?

Both Space Attack and Purrbit show ads.

### Which is updated more often, Space Attack or Purrbit?

Space Attack ships an update every 4 weeks, and Purrbit daily. Most recently, Space Attack was updated on October 24, 2026 and Purrbit on October 18, 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.*