# Vmig Expert vs Энергетическая безопасность

The clearest difference is in-app purchases: Vmig Expert at none against Энергетическая безопасность's 7. Энергетическая безопасность's advantage is update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Энергетическая безопасность sells 7 one-off in-app purchases. Vmig Expert asks for nothing beyond the download.

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

## The numbers

| Metric | Vmig Expert | Энергетическая безопасность |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 7 MB | 25 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Evgeniya Shkel](https://appshunter.io/developer/1507351311) | [Danila Danilenko](https://appshunter.io/developer/1348112062) |

## What reviewers say

### Vmig Expert

[App page](https://appshunter.io/ios/app/vmig-expert/id1507351312)

**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 Vmig Expert free?

Vmig Expert is free to download, with no in-app purchases.

### Is Энергетическая безопасность free?

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

### Do Vmig Expert or Энергетическая безопасность have ads?

Neither Vmig Expert nor Энергетическая безопасность shows ads.

### Which is updated more often, Vmig Expert or Энергетическая безопасность?

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