# Event ЭТМ vs Транспортная безопасность 2026

The clearest difference is in-app purchases: Event ЭТМ at none against Транспортная безопасность 2026's 9. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Транспортная безопасность 2026 sells 9 one-off in-app purchases. Event ЭТМ asks for nothing beyond the download.

Event ЭТМ ships an update every 2 months, Транспортная безопасность 2026 every 3 months. The most recent releases landed on September 18, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Event ЭТМ | Транспортная безопасность 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 22 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Studio PROMO Company Limited](https://appshunter.io/developer/900540838) | [Alisa Potapova](https://appshunter.io/developer/666897984) |

## What reviewers say

### Event ЭТМ

[App page](https://appshunter.io/ios/app/event/id1453844565)

**Features:** macOS Compatibility

**In-app purchases:** none


### Транспортная безопасность 2026

[App page](https://appshunter.io/ios/app/2026/id1589410877)

Prepare for transport security certification exams for railway personnel in Russia. Features include study modes, practice tests, error tracking, and personalized learning options. Track your progress and customize exam settings for effective preparation.

**Highlights:** Study mode with answers and comments, Exam mode with random question sets, Marathon mode for full or partial tests, Error tracking and review, Favorites for saving questions, Detailed statistics and progress tracking, Customizable exam settings

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ОТБ Категория 1 | $1.99 | one-time |
| ОТБ Категория 2 | $1.99 | one-time |
| ОТБ Категория 3 | $1.99 | one-time |
| ОТБ Категория 4 | $1.99 | one-time |
| ОТБ Категория 6 | $1.99 | one-time |
| ОТБ Категория 5 | $1.99 | one-time |
| ОТБ Категория 7 | $1.99 | one-time |
| ОТБ Категория 8 | $1.99 | one-time |
| Все разделы со скидкой | $4.99 | one-time |


## Frequently asked questions

### Is Event ЭТМ free?

Event ЭТМ is free to download, with no in-app purchases.

### Is Транспортная безопасность 2026 free?

Транспортная безопасность 2026 is free to download, with in-app purchases available.

### Do Event ЭТМ or Транспортная безопасность 2026 have ads?

Neither Event ЭТМ nor Транспортная безопасность 2026 shows ads.

### Which is updated more often, Event ЭТМ or Транспортная безопасность 2026?

Event ЭТМ ships an update every 2 months, and Транспортная безопасность 2026 every 3 months. Most recently, Event ЭТМ was updated on September 18, 2026 and Транспортная безопасность 2026 on June 6, 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.*