# KPD vs НОО.Тренажёры

The clearest difference is review sentiment: НОО.Тренажёры at 100% against KPD's 22%. НОО.Тренажёры also leads on update cadence (every 2 days vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

KPD ships an update every 5 months, НОО.Тренажёры every 2 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | KPD | НОО.Тренажёры |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (39 ratings)](https://appshunter.io/ios/app/id6825067734/reviews)** |
| Number of ratings | — | **39** |
| Positive reviews | 22.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 10 MB | 75 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [НОУ МЦНМО](https://appshunter.io/developer/1235476259) | [Raushan Khaydarov](https://appshunter.io/developer/6824043298) |

## 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


### НОО.Тренажёры

[App page](https://appshunter.io/ios/app/id6825067734)

This app offers free practice tools for standardized exams in Chemistry, Biology, and Russian Language. It includes interactive simulations, animations, and 3D models to aid learning. Progress is saved locally or can be synced with Telegram.

**Highlights:** EGE practice simulators, Chemistry lab simulation, Step-by-step animations, 3D cell models, Russian language exercises, Offline progress saving, Telegram sync for progress

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KPD free?

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

### Is НОО.Тренажёры free?

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

### Do KPD or НОО.Тренажёры have ads?

Neither KPD nor НОО.Тренажёры shows ads.

### Which is updated more often, KPD or НОО.Тренажёры?

KPD ships an update every 5 months, and НОО.Тренажёры every 2 days. Most recently, KPD was updated on November 2, 2026 and НОО.Тренажёры on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*