# Энергетическая безопасность vs Экологическая безопасность 26

The clearest difference is review sentiment: Экологическая безопасность 26 at 100% against Энергетическая безопасность's 25%. Энергетическая безопасность's advantage is update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Энергетическая безопасность sells 7 one-off in-app purchases and Экологическая безопасность 26 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Энергетическая безопасность ships an update every 2 months, Экологическая безопасность 26 every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Энергетическая безопасность | Экологическая безопасность 26 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 25 MB | 21 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Danila Danilenko](https://appshunter.io/developer/1348112062) | [Alisa Potapova](https://appshunter.io/developer/666897984) |

## What reviewers say

### 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 |


### Экологическая безопасность 26

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

Prepare for exams on environmental safety and waste management. Features include study modes, practice tests, error tracking, and detailed statistics. Customize exam settings like time limits and question counts.

**Highlights:** Exam mode with custom settings, Study mode with answers and comments, Error tracking and review, Progress statistics, Search functionality, Favorites for questions and sections

**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 Энергетическая безопасность free?

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

### Is Экологическая безопасность 26 free?

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

### Do Энергетическая безопасность or Экологическая безопасность 26 have ads?

Neither Энергетическая безопасность nor Экологическая безопасность 26 shows ads.

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

Энергетическая безопасность ships an update every 2 months, and Экологическая безопасность 26 every 5 months. Most recently, Энергетическая безопасность was updated on November 3, 2026 and Экологическая безопасность 26 on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*