# X5 Ключ vs М4 Сервис

The clearest difference is update cadence: М4 Сервис at every 3 weeks against X5 Ключ's every 2 months. X5 Ключ's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

X5 Ключ ships an update every 2 months, М4 Сервис every 3 weeks. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | X5 Ключ | М4 Сервис |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (9 ratings)](https://appshunter.io/ios/app/x5/id1608347582/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 38 MB | 68 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [X5 Retail Group](https://appshunter.io/developer/393332188) | [Artem Karapetyan](https://appshunter.io/developer/1230186941) |

## What reviewers say

### X5 Ключ

[App page](https://appshunter.io/ios/app/x5/id1608347582)

This app provides an extra layer of security for employees logging into corporate services. It generates one-time authorization codes and can receive them without an internet connection. It also allows for certificate retrieval.

**Highlights:** Two-factor authentication, One-time code generation, Offline code retrieval, Certificate acquisition

**Features:** macOS Compatibility

**In-app purchases:** none


### М4 Сервис

[App page](https://appshunter.io/ios/app/4/id6469581667)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is X5 Ключ free?

X5 Ключ is free to download, with no in-app purchases.

### Is М4 Сервис free?

М4 Сервис is free to download, with no in-app purchases.

### Do X5 Ключ or М4 Сервис have ads?

Neither X5 Ключ nor М4 Сервис shows ads.

### Which is updated more often, X5 Ключ or М4 Сервис?

X5 Ключ ships an update every 2 months, and М4 Сервис every 3 weeks. Most recently, X5 Ключ was updated on October 12, 2026 and М4 Сервис on October 2, 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.*