# ЕГЭ Биология vs KPD

The clearest difference is review sentiment: ЕГЭ Биология at 77% against KPD's 22%. ЕГЭ Биология also leads on update cadence (weekly vs every 5 months). KPD's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ЕГЭ Биология sells 2 one-off in-app purchases. KPD asks for nothing beyond the download.

ЕГЭ Биология ships an update weekly, KPD every 5 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | ЕГЭ Биология | KPD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/id1200784046/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | **77.0% of reviews** | 22.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Freemium | **Free** |
| Size | 189 MB | 10 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Nikolay Volokhov](https://appshunter.io/developer/1193001352) | [НОУ МЦНМО](https://appshunter.io/developer/1235476259) |

## What reviewers say

### ЕГЭ Биология

[App page](https://appshunter.io/ios/app/id1200784046)

Prepare for the 2026 Biology Unified State Exam with this comprehensive offline app. It offers practice tests, video explanations, theory modules, and interactive trainers to help you master the subject.

**Highlights:** Offline access, Practice tests and mock exams, Video explanations, Comprehensive theory modules, Interactive trainers and mini-games, Error tracking and review, Printable study materials

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Премиум + | $0.99 | one-time |
| Премиум доступ | $7.99 | one-time |


### 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


## Frequently asked questions

### Is ЕГЭ Биология free?

ЕГЭ Биология is free to download, with in-app purchases available.

### Is KPD free?

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

### Do ЕГЭ Биология or KPD have ads?

Neither ЕГЭ Биология nor KPD shows ads.

### Which is updated more often, ЕГЭ Биология or KPD?

ЕГЭ Биология ships an update weekly, and KPD every 5 months. Most recently, ЕГЭ Биология was updated on November 11, 2026 and KPD on November 2, 2026.

---

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