# Idle Alien vs Castle Brick Breaker

The clearest difference is in-app purchases: Idle Alien at none against Castle Brick Breaker's 9. Idle Alien also leads on update cadence (every 11 days vs every 2 months). Castle Brick Breaker's advantage is iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Castle Brick Breaker sells 9 one-off in-app purchases. Idle Alien asks for nothing beyond the download.

Idle Alien ships an update every 11 days, Castle Brick Breaker every 2 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Idle Alien | Castle Brick Breaker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (123 ratings)](https://appshunter.io/ios/app/idle-alien/id1374126355/reviews)** | — |
| Number of ratings | **123** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 295 MB | 200 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [vmoga](https://appshunter.io/developer/945300832) | [Masangsoft, Inc.](https://appshunter.io/developer/771323038) |

## What reviewers say

### Idle Alien

[App page](https://appshunter.io/ios/app/idle-alien/id1374126355)

Engage in a hyper-casual space war by tapping to destroy hostile spaceships. Upgrade your alien heroes to increase damage and unlock new abilities. Enjoy a stress-relieving, offline gaming experience.

**Highlights:** Tap to attack spaceships, Upgrade alien heroes, Boost damage and gold, Offline gameplay, Stress-relieving mechanics, Unlock new aliens

**Features:** macOS Compatibility

**In-app purchases:** none


### Castle Brick Breaker

[App page](https://appshunter.io/ios/app/castle-brick-breaker/id6447166329)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 time limited package | $0.49 | one-time |
| 300 Carat | $1.99 | one-time |
| 550 Carat | $2.99 | one-time |
| 1,200 Carats | $6.99 | one-time |
| 3,900 Carat | $19.99 | one-time |
| 7,000 Carat | $34.99 | one-time |
| Package A | $34.99 | one-time |
| 17,000 Carat | $69.99 | one-time |
| Package B | $69.99 | one-time |


## Frequently asked questions

### Is Idle Alien free?

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

### Is Castle Brick Breaker free?

Castle Brick Breaker is free to download, with in-app purchases available.

### Do Idle Alien or Castle Brick Breaker have ads?

Both Idle Alien and Castle Brick Breaker show ads.

### Which is updated more often, Idle Alien or Castle Brick Breaker?

Idle Alien ships an update every 11 days, and Castle Brick Breaker every 2 months. Most recently, Idle Alien was updated on October 2, 2026 and Castle Brick Breaker on September 30, 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.*