# SuperfastMath 2 vs 19×19

The clearest difference is price: SuperfastMath 2 at Free against 19×19's $2.99. SuperfastMath 2 also leads on iOS requirement (12.0 vs 18.0). 19×19's advantage is device support. On in-app purchases there is nothing between them.

SuperfastMath 2 is free to download; 19×19 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SuperfastMath 2 | 19×19 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 34 MB | 7 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Dolina Thomson](https://appshunter.io/developer/989648117) | [JINGZHE JIANG](https://appshunter.io/developer/1888097689) |

## What reviewers say

### SuperfastMath 2

[App page](https://appshunter.io/ios/app/superfastmath-2/id1107038900)

**In-app purchases:** none


### 19×19

[App page](https://appshunter.io/ios/app/1919/id6815097266)

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

**In-app purchases:** none


## Frequently asked questions

### Is SuperfastMath 2 free?

SuperfastMath 2 is free to download, with no in-app purchases.

### Is 19×19 free?

19×19 costs $2.99, with no in-app purchases.

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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.*