# Blue Moon vs MathCage

The clearest difference is in-app purchases: MathCage at none against Blue Moon's 3. MathCage also leads on iOS requirement (16.0 vs 18.4). Blue Moon's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Blue Moon sells 3 one-off in-app purchases. MathCage asks for nothing beyond the download.

Blue Moon ships an update every 2 weeks, MathCage every 3 months. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Blue Moon | MathCage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blue-moon-feingames/id6746877673/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 1 MB |
| Requires iOS | 18.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Feinstein](https://appshunter.io/developer/1756392392) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### Blue Moon

[App page](https://appshunter.io/ios/app/blue-moon-feingames/id6746877673)

Engage in a strategic card game focused on logic and skill, not luck. Arrange cards into perfect sequences with intuitive controls. Enjoy offline play and track your progress with detailed statistics.

**Highlights:** Logic and strategy-based gameplay, Minimalist design, Offline play, Smooth drag-and-drop controls, Unlimited undo and smart hints, Progress tracking with stats

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thank you! | $0.99 | one-time |
| Thank you very much! | $2.99 | one-time |
| Support tip | $9.99 | one-time |


### MathCage

[App page](https://appshunter.io/ios/app/mathcage-number-logic/id6769718127)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blue Moon free?

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

### Is MathCage free?

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

### Do Blue Moon or MathCage have ads?

Neither Blue Moon nor MathCage shows ads.

### Which is updated more often, Blue Moon or MathCage?

Blue Moon ships an update every 2 weeks, and MathCage every 3 months. Most recently, Blue Moon was updated on October 18, 2026 and MathCage on October 24, 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.*