# Blue Attack! vs Space Cadet Defender

The clearest difference is rating: Blue Attack! at 4.8 against Space Cadet Defender's 4.2. Blue Attack! also leads on review sentiment (89% vs 75%). Space Cadet Defender's advantage is iOS requirement (3.1 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Blue Attack! sells 1 one-off in-app purchase and Space Cadet Defender sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blue Attack! holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 11 and 22 respectively. Written reviews point the same way: 89% of Blue Attack!'s written reviews are positive against 75% of Space Cadet Defender's.

Blue Attack! ships an update every 4 months, Space Cadet Defender every 2 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Blue Attack! | Space Cadet Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11 ratings)](https://appshunter.io/ios/app/blue-attack/id302278746/reviews)** | [4.2 (22 ratings)](https://appshunter.io/ios/app/space-cadet-defender/id345114616/reviews) |
| Number of ratings | 11 | **22** |
| Positive reviews | **89.5% of reviews** | 74.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 5 MB |
| Requires iOS | 16.0 | **3.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Cat in a Box Software](https://appshunter.io/developer/1600179204) | [SixHourSoft LLC](https://appshunter.io/developer/345114619) |

## 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


### Space Cadet Defender

[App page](https://appshunter.io/ios/app/space-cadet-defender/id345114616)

Defend Earth from alien invaders in this fast-paced arcade shooter. Progress through 50 unique levels, upgrade your ship with powerful enhancements, and face off against challenging boss battles. Compete with friends by viewing local and world high scores.

**Highlights:** Fast-paced arcade gameplay, 50 unique levels, Ship upgrades, Boss battles, Unique power-ups, Score viewing

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level Pack 1 | $0.99 | one-time |
| Cannon Upgrade | $0.99 | one-time |
| Artillery Upgrade | $0.99 | one-time |
| Shield Upgrade | $0.99 | one-time |
| Nuke Power Upgrade | $0.99 | one-time |
| Engine Speed Upgrade | $0.99 | one-time |
| Nuke Pack of 20 | $0.99 | one-time |
| Extra Life | $0.99 | one-time |


## Frequently asked questions

### Is Blue Attack! free?

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

### Is Space Cadet Defender free?

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

### Which has better reviews, Blue Attack! or Space Cadet Defender?

Blue Attack! is rated higher. Blue Attack! averages 4.8 out of 5 from 11 ratings, while Space Cadet Defender averages 4.2 from 22 ratings.

### Do Blue Attack! or Space Cadet Defender have ads?

Neither Blue Attack! nor Space Cadet Defender shows ads.

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

Blue Attack! ships an update every 4 months, and Space Cadet Defender every 2 months. Most recently, Blue Attack! was updated on October 31, 2026 and Space Cadet Defender on November 1, 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.*