# Промышленная безопасность а.1 vs Экологическая безопасность 26

The clearest difference is price: Экологическая безопасность 26 at Free against Промышленная безопасность а.1's $2.99. Промышленная безопасность а.1's advantage is in-app purchases (none vs 2) and update cadence (every 5 weeks vs every 5 months). On ads, device support and iOS requirement there is nothing between them.

Экологическая безопасность 26 is free to download; Промышленная безопасность а.1 costs $2.99 up front. Экологическая безопасность 26 sells 2 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, Экологическая безопасность 26 every 5 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Промышленная безопасность а.1 | Экологическая безопасность 26 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/1/id1522309294/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Paid | — |
| Size | 6 MB | 21 MB |
| Requires iOS | 13.0 | **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 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


### Экологическая безопасность 26

[App page](https://appshunter.io/ios/app/26/id1634385511)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ЭКГ 112.30 | $0.99 | one-time |
| ЭКГ 1228.17 | $0.99 | one-time |


## Frequently asked questions

### Is Промышленная безопасность а.1 free?

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

### Is Экологическая безопасность 26 free?

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

### Do Промышленная безопасность а.1 or Экологическая безопасность 26 have ads?

Neither Промышленная безопасность а.1 nor Экологическая безопасность 26 shows ads.

### Which is updated more often, Промышленная безопасность а.1 or Экологическая безопасность 26?

Промышленная безопасность а.1 ships an update every 5 weeks, and Экологическая безопасность 26 every 5 months. Most recently, Промышленная безопасность а.1 was updated on September 21, 2026 and Экологическая безопасность 26 on September 9, 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.*