# Shape Box! vs Calc Ninja

The clearest difference is update cadence: Shape Box! at every 2 days against Calc Ninja's monthly. Shape Box! also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Shape Box! ships an update every 2 days, Calc Ninja monthly. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Shape Box! | Calc Ninja |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Monthly |
| Size | 109 MB | 118 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Iconic Games](https://appshunter.io/developer/1770013763) | [kotaro yamada](https://appshunter.io/developer/1193903506) |

## What reviewers say

### Shape Box!

[App page](https://appshunter.io/ios/app/shape-box/id6739772302)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calc Ninja

[App page](https://appshunter.io/ios/app/calc-ninja-mental-math-games/id6784948949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shape Box! free?

Shape Box! is free to download, with no in-app purchases.

### Is Calc Ninja free?

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

### Do Shape Box! or Calc Ninja have ads?

Both Shape Box! and Calc Ninja show ads.

### Which is updated more often, Shape Box! or Calc Ninja?

Shape Box! ships an update every 2 days, and Calc Ninja monthly. Most recently, Shape Box! was updated on October 18, 2026 and Calc Ninja on October 13, 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.*