# Тренажер по математике vs Eighty One

Тренажер по математике and Eighty One are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Тренажер по математике | Eighty One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 33 MB | 11 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Ivannikov](https://appshunter.io/developer/1372435743) | [Oleg Danilov](https://appshunter.io/developer/1767583011) |

## What reviewers say

### Тренажер по математике

[App page](https://appshunter.io/ios/app/id1572259439)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eighty One

[App page](https://appshunter.io/ios/app/eighty-one/id6670788394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Тренажер по математике free?

Тренажер по математике is free to download, with no in-app purchases.

### Is Eighty One free?

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

### Do Тренажер по математике or Eighty One have ads?

Neither Тренажер по математике nor Eighty One 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.*