# KPD vs Инфузория Туфелька

The clearest difference is device support: KPD at 2 against Инфузория Туфелька's —. Инфузория Туфелька's advantage is iOS requirement (14.0 vs 16.0). 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 | KPD | Инфузория Туфелька |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kpd-bio/id1229570219/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 10 MB | 31 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 12+ | 4+ |
| Developer | [НОУ МЦНМО](https://appshunter.io/developer/1235476259) | [ORG DIKIDI](https://appshunter.io/developer/1057010744) |

## What reviewers say

### KPD

[App page](https://appshunter.io/ios/app/kpd-bio/id1229570219)

This app provides a comprehensive Russian-language electronic version of a leading biology textbook, ideal for high school students and teachers. It includes supplementary materials for practice and scientific article analysis, offering structured learning from basic to advanced concepts.

**Highlights:** Russian electronic textbook, Student Study Guide included, Inquiry in Action guide, University-level biology content, Illustrations and diagrams, Self-check questions and tasks, Electronic glossary search

**Features:** macOS Compatibility

**In-app purchases:** none


### Инфузория Туфелька

[App page](https://appshunter.io/ios/app/id6447870406)

**In-app purchases:** none


## Frequently asked questions

### Is KPD free?

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

### Is Инфузория Туфелька free?

Инфузория Туфелька 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.*