# Entropy vs Star Battle

The clearest difference is in-app purchases: Star Battle at none against Entropy's 4. Star Battle also leads on iOS requirement (15.1 vs 18.6). Entropy's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Entropy sells 4 one-off in-app purchases. Star Battle asks for nothing beyond the download.

Entropy ships an update every 2 weeks, Star Battle every 2 months. Both last shipped on November 5, 2026.

## The numbers

| Metric | Entropy | Star Battle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 6 MB | 29 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Erdener Uyan](https://appshunter.io/developer/1843571074) | [LUKAS ANDREAS NILSEN](https://appshunter.io/developer/1866243718) |

## What reviewers say

### Entropy

[App page](https://appshunter.io/ios/app/entropy-zero/id6757635585)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Emergency Kit | $0.99 | one-time |
| Hacker Bundle | $2.99 | one-time |
| Developer Access | $4.99 | one-time |
| Survival Mode | $9.99 | one-time |


### Star Battle

[App page](https://appshunter.io/ios/app/star-battle-puzzlemonster/id6782885538)

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

**In-app purchases:** none


## Frequently asked questions

### Is Entropy free?

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

### Is Star Battle free?

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

### Do Entropy or Star Battle have ads?

Neither Entropy nor Star Battle shows ads.

### Which is updated more often, Entropy or Star Battle?

Entropy ships an update every 2 weeks, and Star Battle every 2 months. Most recently, Entropy was updated on November 5, 2026 and Star Battle on November 5, 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.*