# Промышленная безопасность А vs Энергетическая безопасность.

The clearest difference is update cadence: Промышленная безопасность А at weekly against Энергетическая безопасность.'s every 2 months. Энергетическая безопасность.'s advantage is monetization model (free vs free with in-app purchases) and review sentiment (25% vs 12%). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Промышленная безопасность А sells 10 one-off in-app purchases and Энергетическая безопасность. sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Промышленная безопасность А ships an update weekly, Энергетическая безопасность. every 2 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Промышленная безопасность А | Энергетическая безопасность. |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.8% of reviews | **25.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 19 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [SEMEN NIKULIN](https://appshunter.io/developer/1444764809) | [Andrey Andreyev](https://appshunter.io/developer/1418253369) |

## What reviewers say

### Промышленная безопасность А

[App page](https://appshunter.io/ios/app/id1531332186)

Prepare for Russian Industrial Safety exams with official Rostekhnadzor questions and tests. Study topics, practice with randomized tests, track your progress, and review mistakes. Find questions easily with search and save difficult ones to favorites.

**Highlights:** Official Rostekhnadzor questions, Topic-based study lists, Randomized practice tests, Progress tracking, Search functionality, Favorites for difficult questions, Review of incorrect answers

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Б.9.9 | $1.99 | one-time |
| Б.10.1 | $1.99 | one-time |
| Б.10.2 | $1.99 | one-time |
| Б.11.1 | $1.99 | one-time |
| Б.11.2 | $1.99 | one-time |
| Б.11.3 | $1.99 | one-time |
| Б.12.1 | $1.99 | one-time |
| Б.12.2 | $1.99 | one-time |
| Б.7.3 | $1.99 | one-time |
| A.1(август) | $2.99 | one-time |


### Энергетическая безопасность.

[App page](https://appshunter.io/ios/app/id1551951076)

Prepare for energy safety certification exams with a comprehensive test simulator. It offers various modes, including exam simulation and error correction, to help you master the material offline.

**Highlights:** Test preparation with correct answers highlighted, Unlimited marathon mode, Realistic exam simulation mode, Error correction feature, Offline functionality, Covers G.1 and G.2 certification areas

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| БЛОК Г.1.1 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| БЛОК Г.2.1-ВСЕ ВОПРОСЫ | $1.99 | one-time |
| БЛОК Г.2.2 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| БЛОК Г.2.3 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| БЛОК Г.2.4 - ВСЕ ВОПРОСЫ | $1.99 | one-time |
| БЛОК Г.2.5 - ВСЕ ВОПРОСЫ | $1.99 | one-time |


## Frequently asked questions

### Is Промышленная безопасность А free?

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

### Is Энергетическая безопасность. free?

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

### Do Промышленная безопасность А or Энергетическая безопасность. have ads?

Neither Промышленная безопасность А nor Энергетическая безопасность. shows ads.

### Which is updated more often, Промышленная безопасность А or Энергетическая безопасность.?

Промышленная безопасность А ships an update weekly, and Энергетическая безопасность. every 2 months. Most recently, Промышленная безопасность А was updated on October 24, 2026 and Энергетическая безопасность. on October 7, 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.*