# SuperfastMath 2 vs Astris

The clearest difference is device support: Astris at 2 against SuperfastMath 2's —. SuperfastMath 2's advantage is iOS requirement (12.0 vs 15.0). On price 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.

## The numbers

| Metric | SuperfastMath 2 | Astris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Size | 34 MB | 21 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dolina Thomson](https://appshunter.io/developer/989648117) | [ISTITUTI EDMONDO DE AMICIS SRL](https://appshunter.io/developer/1219261025) |

## What reviewers say

### SuperfastMath 2

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

**In-app purchases:** none


### Astris

[App page](https://appshunter.io/ios/app/astris/id6454899891)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SuperfastMath 2 free?

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

### Is Astris free?

Astris is free to download, 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.*