# Blue Attack! vs Astro Defender

The clearest difference is in-app purchases: Astro Defender at none against Blue Attack!'s 1. Astro Defender also leads on update cadence (every 2 weeks vs every 4 months) and iOS requirement (13.0 vs 16.0). Blue Attack!'s advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Blue Attack! sells 1 one-off in-app purchase. Astro Defender asks for nothing beyond the download.

Blue Attack! ships an update every 4 months, Astro Defender every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Blue Attack! | Astro Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11 ratings)](https://appshunter.io/ios/app/blue-attack/id302278746/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 28 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Cat in a Box Software](https://appshunter.io/developer/1600179204) | [Akhil Jacob](https://appshunter.io/developer/1718825454) |

## What reviewers say

### Blue Attack!

[App page](https://appshunter.io/ios/app/blue-attack/id302278746)

Engage in an intergalactic war, piloting your squadron against enemy forces. Collect resources from destroyed ships to upgrade your fleet and customize your vessels. Your mission is to protect your carrier and destroy the enemy's home planet.

**Highlights:** Fully customizable ships, Ship upgrade system, Retro graphical style, Global leaderboards, Multiple control options

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Infinite Mode | $0.99 | one-time |

**What reviewers like**

- 🚀 Smooth and polished gameplay
- 👍 Intuitive controls
- 💎 Excellent graphics and visual style
- 🎮 Addictive and engaging gameplay
- 🔧 Satisfying upgrade system

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🕹️ Sensitive controls can be difficult to master
- ⏱️ Campaign mode is too short
- 🔄 Lack of save/checkpoint system in campaign

**Reported bugs**

- Crashes on loading screen after recent update
- Score submission glitch preventing leaderboard updates

**Requested features**

- More levels and content for campaign mode
- Ability to select and replay specific campaign levels
- Co-op or multiplayer modes
- More weapon and upgrade options
- Customizable control schemes


### Astro Defender

[App page](https://appshunter.io/ios/app/astro-defender-cosmic-crusade/id6478248785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Attack! free?

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

### Is Astro Defender free?

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

### Do Blue Attack! or Astro Defender have ads?

Astro Defender shows ads; Blue Attack! does not.

### Which is updated more often, Blue Attack! or Astro Defender?

Blue Attack! ships an update every 4 months, and Astro Defender every 2 weeks. Most recently, Blue Attack! was updated on October 31, 2026 and Astro Defender on October 25, 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.*