# Промышленная безопасность а.1 vs Энергетическая безопасность

The clearest difference is price: Энергетическая безопасность at Free against Промышленная безопасность а.1's $2.99. Энергетическая безопасность also leads on iOS requirement (11.0 vs 13.0). Промышленная безопасность а.1's advantage is in-app purchases (none vs 7) and review sentiment (56% vs 25%). On ads and device support there is nothing between them.

Энергетическая безопасность is free to download; Промышленная безопасность а.1 costs $2.99 up front. Энергетическая безопасность sells 7 one-off in-app purchases. Промышленная безопасность а.1 asks for nothing beyond the download.

Промышленная безопасность а.1 ships an update every 5 weeks, Энергетическая безопасность every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Промышленная безопасность а.1 | Энергетическая безопасность |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/1/id1522309294/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **56.3% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 6 MB | 25 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [Danila Danilenko](https://appshunter.io/developer/1348112062) |

## What reviewers say

### Промышленная безопасность а.1

[App page](https://appshunter.io/ios/app/1/id1522309294)

Prepare for industrial safety certification exams with up-to-date tests and answers. This app offers offline access, quick search, and multiple preparation modes to help professionals get ready for Rostekhnadzor аттестации.

**Highlights:** Up-to-date tests with answers, Built-in search functionality, Multiple preparation modes, Links to regulatory documents, Offline operation

**Features:** macOS Compatibility

**In-app purchases:** none


### Энергетическая безопасность

[App page](https://appshunter.io/ios/app/id1547072568)

This app provides comprehensive study materials and practice exams for energy safety knowledge. It features all questions and answers, organized blocks of topics, and an exam simulation mode. Users can also favorite specific questions for easier review.

**Highlights:** All questions and answers, Organized topic blocks, Exam simulation mode, Favorite questions, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Блок Г.2.1 — все вопросы | $1.99 | one-time |
| Блок Г.2.1, Блок Г.3.1 (2020) | $1.99 | one-time |
| Блок Г.2.2, Блок Г.3.2 (2020) | $1.99 | one-time |
| Блок Г.2.3, Блок Г.3.3 (2020) | $1.99 | one-time |
| Блок Г.2.4 — все вопросы | $1.99 | one-time |
| Блок Г.2.5 — все вопросы | $1.99 | one-time |
| Блок Г.1.1 — все вопросы | $2.99 | one-time |


## Frequently asked questions

### Is Промышленная безопасность а.1 free?

Промышленная безопасность а.1 costs $2.99, with no in-app purchases.

### Is Энергетическая безопасность free?

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

### Do Промышленная безопасность а.1 or Энергетическая безопасность have ads?

Neither Промышленная безопасность а.1 nor Энергетическая безопасность shows ads.

### Which is updated more often, Промышленная безопасность а.1 or Энергетическая безопасность?

Промышленная безопасность а.1 ships an update every 5 weeks, and Энергетическая безопасность every 2 months. Most recently, Промышленная безопасность а.1 was updated on October 27, 2026 and Энергетическая безопасность on October 24, 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.*