# ИС Школа vs Энергетическая безопасность 26

The clearest difference is in-app purchases: ИС Школа at none against Энергетическая безопасность 26's 12. Энергетическая безопасность 26's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Энергетическая безопасность 26 sells 12 one-off in-app purchases. ИС Школа asks for nothing beyond the download.

ИС Школа ships an update every 4 months, Энергетическая безопасность 26 every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | ИС Школа | Энергетическая безопасность 26 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 13 MB | 22 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [INNOVATSIONNY SERVIS, OOO](https://appshunter.io/developer/1598088297) | [Alisa Potapova](https://appshunter.io/developer/666897984) |

## What reviewers say

### ИС Школа

[App page](https://appshunter.io/ios/app/id1598088295)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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.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 |
| Г.1.1 | $2.99 | one-time |
| Все разделы со скидкой | $5.99 | one-time |


## Frequently asked questions

### Is ИС Школа free?

ИС Школа is free to download, with no in-app purchases.

### Is Энергетическая безопасность 26 free?

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

### Do ИС Школа or Энергетическая безопасность 26 have ads?

Neither ИС Школа nor Энергетическая безопасность 26 shows ads.

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

ИС Школа ships an update every 4 months, and Энергетическая безопасность 26 every 2 months. Most recently, ИС Школа was updated on October 27, 2026 and Энергетическая безопасность 26 on October 27, 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.*