# Number Ninja Math vs Spinko

The clearest difference is ads: Spinko at none against Number Ninja Math's shown. Number Ninja Math's advantage is iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Number Ninja Math | Spinko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 weeks |
| Size | 57 MB | 34 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imran Hameed](https://appshunter.io/developer/1665882458) | [Sara Donczewska](https://appshunter.io/developer/1866964375) |

## What reviewers say

### Number Ninja Math

[App page](https://appshunter.io/ios/app/number-ninja-math/id6751546737)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spinko

[App page](https://appshunter.io/ios/app/spinko/id6759905397)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Ninja Math free?

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

### Is Spinko free?

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

### Do Number Ninja Math or Spinko have ads?

Number Ninja Math shows ads; Spinko does not.

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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.*