# Промышленная безопасность Б9.3 vs Энергетическая безопасность 26

The clearest difference is price: Энергетическая безопасность 26 at Free against Промышленная безопасность Б9.3's $1.99. Промышленная безопасность Б9.3's advantage is in-app purchases (none vs 12). On update cadence, ads, device support and iOS requirement there is nothing between them.

Энергетическая безопасность 26 is free to download; Промышленная безопасность Б9.3 costs $1.99 up front. Энергетическая безопасность 26 sells 12 one-off in-app purchases. Промышленная безопасность Б9.3 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 21, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Промышленная безопасность Б9.3 | Энергетическая безопасность 26 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 14 MB | 22 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [Alisa Potapova](https://appshunter.io/developer/666897984) |

## What reviewers say

### Промышленная безопасность Б9.3

[App page](https://appshunter.io/ios/app/93/id1523552846)

**Features:** macOS Compatibility

**In-app purchases:** none


### Энергетическая безопасность 26

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

**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 Б9.3 free?

Промышленная безопасность Б9.3 costs $1.99, with no in-app purchases.

### Is Энергетическая безопасность 26 free?

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

### Do Промышленная безопасность Б9.3 or Энергетическая безопасность 26 have ads?

Neither Промышленная безопасность Б9.3 nor Энергетическая безопасность 26 shows ads.

### Which is updated more often, Промышленная безопасность Б9.3 or Энергетическая безопасность 26?

Промышленная безопасность Б9.3 ships an update every 2 months, and Энергетическая безопасность 26 every 2 months. Most recently, Промышленная безопасность Б9.3 was updated on September 21, 2026 and Энергетическая безопасность 26 on May 17, 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.*