# Умный домофон vs ДЖС

The clearest difference is update cadence: ДЖС at every 4 weeks against Умный домофон's every 2 months. 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.

Умный домофон ships an update every 2 months, ДЖС every 4 weeks. The most recent releases landed on November 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Умный домофон | ДЖС |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 56 MB | 340 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxet Line OOO](https://appshunter.io/developer/794815767) | [Evgeny Yurtaykin](https://appshunter.io/developer/979803330) |

## What reviewers say

### Умный домофон

[App page](https://appshunter.io/ios/app/id1064868272)

**Features:** macOS Compatibility

**In-app purchases:** none


### ДЖС

[App page](https://appshunter.io/ios/app/2030/id6479893122)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Умный домофон free?

Умный домофон is free to download, with no in-app purchases.

### Is ДЖС free?

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

### Do Умный домофон or ДЖС have ads?

Neither Умный домофон nor ДЖС shows ads.

### Which is updated more often, Умный домофон or ДЖС?

Умный домофон ships an update every 2 months, and ДЖС every 4 weeks. Most recently, Умный домофон was updated on November 2, 2026 and ДЖС on October 9, 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.*