# Промышленная безопасность vs Промышленная б 2021 и 2022 год

Промышленная безопасность and Промышленная б 2021 и 2022 год both sit at 4.5 stars, but that hides the real split: 93% of Промышленная безопасность's written reviews are positive against 17% of Промышленная б 2021 и 2022 год's. Промышленная безопасность also leads on ratings volume (59 vs 7). Промышленная б 2021 и 2022 год's advantage is update cadence (every 2 days vs every 11 days). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Промышленная безопасность sells 10 one-off in-app purchases and Промышленная б 2021 и 2022 год sells 1 in-app purchase, starting at $4.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Промышленная безопасность against 4.4 for Промышленная б 2021 и 2022 год. That said, the two scores are not equally well evidenced: Промышленная безопасность has 59 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 93% of Промышленная безопасность's written reviews are positive against 17% of Промышленная б 2021 и 2022 год's.

Промышленная безопасность ships an update every 11 days, Промышленная б 2021 и 2022 год every 2 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Промышленная безопасность | Промышленная б 2021 и 2022 год |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (59 ratings)](https://appshunter.io/ios/app/2026/id1539396677/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/2021-2022/id1605964224/reviews) |
| Number of ratings | **59** | 7 |
| Positive reviews | **93.0% of reviews** | 17.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 145 MB | 11 MB |
| Requires iOS | 15.6 | **14.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [Dmitriy Beloglazov](https://appshunter.io/developer/1591512916) |

## 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| БЛОК Б.12 - ВСЕ ВОПРОСЫ РТН | $1.99 | one-time |
| БЛОК А.1 2025 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| ЭКСПЛУАТАЦИЯ ЭЛЕКТРОУСТАНОВОК | $1.99 | 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.8 - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| БЛОК Б.7 - ТЕСТЫ РОСТЕХНАДЗОРА | $3.99 | one-time |
| БЛОК Б.9 - ВСЕ ТЕСТЫ И ОТВЕТЫ | $3.99 | one-time |


### Промышленная б 2021 и 2022 год

[App page](https://appshunter.io/ios/app/2021-2022/id1605964224)

Prepare for industrial safety certification exams with this app. It offers up-to-date question banks and various preparation methods to help you succeed. This tool is designed to be an ideal resource for your certification needs.

**Highlights:** Industrial safety certification preparation, Up-to-date question banks, Multiple preparation methods, Ideal certification tool

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Полный доступ на один месяц | $4.49 | per month |


## Frequently asked questions

### Is Промышленная безопасность free?

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

### Is Промышленная б 2021 и 2022 год free?

Промышленная б 2021 и 2022 год is free to download, with in-app purchases available.

### Which has better reviews, Промышленная безопасность or Промышленная б 2021 и 2022 год?

Промышленная безопасность is rated higher. Промышленная безопасность averages 4.5 out of 5 from 59 ratings, while Промышленная б 2021 и 2022 год averages 4.4 from 7 ratings.

### Do Промышленная безопасность or Промышленная б 2021 и 2022 год have ads?

Neither Промышленная безопасность nor Промышленная б 2021 и 2022 год shows ads.

### Which is updated more often, Промышленная безопасность or Промышленная б 2021 и 2022 год?

Промышленная безопасность ships an update every 11 days, and Промышленная б 2021 и 2022 год every 2 days. Most recently, Промышленная безопасность was updated on November 3, 2026 and Промышленная б 2021 и 2022 год on November 3, 2026.

---

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