# Practice mental arithmetic vs Multiplying Polynomials

The clearest difference is iOS requirement: Practice mental arithmetic at 10.0 against Multiplying Polynomials's 12.0. On price, ads, 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 | Practice mental arithmetic | Multiplying Polynomials |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 22 MB | 35 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Korchagin](https://appshunter.io/developer/1037103262) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Practice mental arithmetic

[App page](https://appshunter.io/ios/app/practice-mental-arithmetic/id1495163369)

**Features:** macOS Compatibility

**In-app purchases:** none


### Multiplying Polynomials

[App page](https://appshunter.io/ios/app/multiplying-polynomials-cw/id6504764293)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Practice mental arithmetic free?

Practice mental arithmetic is free to download, with no in-app purchases.

### Is Multiplying Polynomials free?

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

### Do Practice mental arithmetic or Multiplying Polynomials have ads?

Neither Practice mental arithmetic nor Multiplying Polynomials shows ads.

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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.*