# Промышленная безопасность vs КНТК XVI

The clearest difference is in-app purchases: КНТК XVI at none against Промышленная безопасность's 31. КНТК XVI also leads on update cadence (every 3 days vs every 11 days) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Промышленная безопасность sells 29 one-off in-app purchases. КНТК XVI asks for nothing beyond the download.

Промышленная безопасность ships an update every 11 days, КНТК XVI every 3 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Промышленная безопасность | КНТК XVI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (57 ratings)](https://appshunter.io/ios/app/2026/id1539396677/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 93.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 145 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [Greg Kozlov](https://appshunter.io/developer/1422833919) |

## What reviewers say

### Промышленная безопасность

[App page](https://appshunter.io/ios/app/2026/id1539396677)

This app provides comprehensive training and testing for industrial safety certifications. It covers all assessment areas from A.1 to B.12, including fire safety, electrical safety, and various industry-specific regulations. Prepare for your Rostekhnadzor exams with practice tests and detailed question banks.

**Highlights:** Tests, tickets, questions, and answers, Covers all assessment areas A.1 to B.12, New questions for 2026 Rostekhnadzor tests, Preparation mode with marked correct answers, Marathon mode for unlimited practice, Exam mode simulating real tests

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (29)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ТЕСТЫ ОТ ПОВЫШЕННОЙ ОПАСНОСТИ | $0.99 | one-time |
| ЭЛЕКТРОСЕТЕВЫЕ ОРГАНИЗАЦИИ ЭСХ | $0.99 | one-time |
| Ответы по Электробезопасности | $0.99 | one-time |
| БЛОК Г.1.1 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| ОХРАНА ТРУДА - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| ДОСТУП ТЕСТЫ ЭСХ - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| Ответы по Электробезопасности | $1.99 | one-time |
| Тесты Минтруда ЕИСОТ ответы | $1.99 | one-time |
| ГИДРОТЕХНИЧЕСКИЕ СООРУЖЕНИЯ | $1.99 | one-time |
| ОХРАНА ТРУДА ТЕСТЫ И ОТВЕТЫ | $1.99 | one-time |
| ЭЛЕКТРИЧЕСКИЕ СТАНЦИИ И СЕТИ | $1.99 | one-time |
| БЛОК Б.12 - ВСЕ ВОПРОСЫ РТН | $1.99 | one-time |
| БЛОК А.1 2025 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| БЛОК Б.10 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| ЭКСПЛУАТАЦИЯ ЭЛЕКТРОУСТАНОВОК | $1.99 | one-time |
| БЛОК Б.1 - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| БЛОК Б.8 - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| Ответы ЕИСОТ Тест охрана труда | $2.99 | one-time |
| БЛОК Б.6 -ВСЕ ВОПРОСЫ, ЭКЗАМЕН | $2.99 | one-time |
| БЛОК Б.5 - ВСЕ ВОПРОСЫ ТЕСТЫ | $2.99 | one-time |
| БЛОК А.1 - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| БЛОК Б.2 - ВСЕ ВОПРОСЫ ПРОМБЕЗ | $2.99 | one-time |
| ПРОМЫШЛЕННАЯ БЕЗОПАСНОСТЬ: Б.1 | $2.99 | one-time |
| БЛОК Б.3 - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| БЛОК Б.4 - ВСЕ ВОПРОСЫ ОТВЕТЫ | $2.99 | one-time |
| БЛОК Б.2 - ВСЕ ВОПРОСЫ | $3.99 | one-time |
| БЛОК Б.7 - ВСЕ ВОПРОСЫ | $3.99 | one-time |
| БЛОК Б.7 - ТЕСТЫ РОСТЕХНАДЗОРА | $3.99 | one-time |
| БЛОК Б.9 - ВСЕ ТЕСТЫ И ОТВЕТЫ | $3.99 | one-time |


### КНТК XVI

[App page](https://appshunter.io/ios/app/xvi/id6449719236)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Промышленная безопасность free?

Промышленная безопасность is free to download, with in-app purchases available.

### Is КНТК XVI free?

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

### Do Промышленная безопасность or КНТК XVI have ads?

Neither Промышленная безопасность nor КНТК XVI shows ads.

### Which is updated more often, Промышленная безопасность or КНТК XVI?

Промышленная безопасность ships an update every 11 days, and КНТК XVI every 3 days. Most recently, Промышленная безопасность was updated on October 25, 2026 and КНТК XVI on October 8, 2026.

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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.*