# Промышленная безопасность А vs Энергетическая безопасность 26

The clearest difference is review sentiment: Энергетическая безопасность 26 at 75% against Промышленная безопасность А's 12%. Энергетическая безопасность 26 also leads on monetization model (free vs free with in-app purchases). Промышленная безопасность А's advantage is update cadence (weekly vs every 2 months). 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 26 sells 12 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 26 every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Промышленная безопасность А | Энергетическая безопасность 26 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.8% of reviews | **75.0% 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 | 22 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [SEMEN NIKULIN](https://appshunter.io/developer/1444764809) | [Alisa Potapova](https://appshunter.io/developer/666897984) |

## 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 26

[App page](https://appshunter.io/ios/app/26/id1634385125)

Prepare for your Energy Safety certification exams with this comprehensive study tool. It offers various learning modes, including practice tests, error analysis, and personalized study sessions. Stay up-to-date with official Rostekhnadzor questions for 2026.

**Highlights:** Study mode with answers and comments, Exam simulation with random questions, Marathon mode for full or partial question sets, Error tracking and targeted practice, Favorites for saving questions, Customizable exam settings, Progress statistics

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Г.2.1(1) | Free | one-time |
| Г.1.1 | $0.99 | one-time |
| Г.2.1 | $0.99 | one-time |
| Г.2.2 | $1.99 | one-time |
| Г.2.3 | $1.99 | one-time |
| Г.2.5 | $1.99 | one-time |
| Г.2.4 | $1.99 | one-time |
| ЭБП 1283.10 | $1.99 | one-time |
| ЭБП 1491.6 | $1.99 | one-time |
| ЭБП 1492.6 | $1.99 | one-time |
| ЭБП 1493.6 | $1.99 | one-time |
| Все разделы со скидкой | $5.99 | 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 26 free?

Энергетическая безопасность 26 is free to download, with in-app purchases available.

### Do Промышленная безопасность А or Энергетическая безопасность 26 have ads?

Neither Промышленная безопасность А nor Энергетическая безопасность 26 shows ads.

### Which is updated more often, Промышленная безопасность А or Энергетическая безопасность 26?

Промышленная безопасность А ships an update weekly, and Энергетическая безопасность 26 every 2 months. Most recently, Промышленная безопасность А was updated on October 24, 2026 and Энергетическая безопасность 26 on October 14, 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.*