# Промышленная безопасность vs МТИ ЛK

Промышленная безопасность and МТИ ЛK both sit at 4.5 stars, but that hides the real split: 93% of Промышленная безопасность's written reviews are positive against 41% of МТИ ЛK's. Промышленная безопасность also leads on iOS requirement (15.6 vs 18). МТИ ЛK's advantage is in-app purchases (none vs 31). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for Промышленная безопасность against 4.4 for МТИ ЛK. Both are backed by a comparable volume of ratings — 49 and 33 respectively. Written reviews are what separate them: 93% of Промышленная безопасность's written reviews are positive against 41% of МТИ ЛK's.

Промышленная безопасность ships an update every 2 weeks, МТИ ЛK every 3 weeks. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Промышленная безопасность | МТИ ЛK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (49 ratings)](https://appshunter.io/ios/app/2026/id1539396677/reviews)** | [4.4 (33 ratings)](https://appshunter.io/ios/app/k/id1625871638/reviews) |
| Number of ratings | **49** | 33 |
| Positive reviews | **93.0% of reviews** | 40.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 144 MB | 65 MB |
| Requires iOS | **15.6** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [MOI, ANO](https://appshunter.io/developer/1625871640) |

## 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 |


### МТИ ЛK

[App page](https://appshunter.io/ios/app/k/id1625871638)

This educational platform from the Moscow Technological Institute allows students to study online from anywhere. Access your class schedule, learning materials, track your progress, and communicate with your curator. You can also pay for your tuition through the app.

**Highlights:** View class schedule, Access learning materials, Track learning progress, Communicate with curator, Pay for tuition, View institute news

**Features:** 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 МТИ ЛK free?

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

### Which has better reviews, Промышленная безопасность or МТИ ЛK?

Промышленная безопасность is rated higher. Промышленная безопасность averages 4.5 out of 5 from 49 ratings, while МТИ ЛK averages 4.4 from 33 ratings.

### Do Промышленная безопасность or МТИ ЛK have ads?

Neither Промышленная безопасность nor МТИ ЛK shows ads.

### Which is updated more often, Промышленная безопасность or МТИ ЛK?

Промышленная безопасность ships an update every 2 weeks, and МТИ ЛK every 3 weeks. Most recently, Промышленная безопасность was updated on September 22, 2026 and МТИ ЛK on September 26, 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.*