# Астра Домофон vs 4Trans

The clearest difference is update cadence: 4Trans at every 3 days against Астра Домофон's every 2 months. Астра Домофон's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Астра Домофон ships an update every 2 months, 4Trans every 3 days. The most recent releases landed on September 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Астра Домофон | 4Trans |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 109 MB | 39 MB |
| Requires iOS | **16** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Astra LLC](https://appshunter.io/developer/1729806950) | [Ivan Boldyrev](https://appshunter.io/developer/1006127166) |

## What reviewers say

### Астра Домофон

[App page](https://appshunter.io/ios/app/id6477597856)

Manage home access remotely via your smartphone. Receive calls from your intercom, communicate with visitors, and grant them entry with a virtual button. View your intercom camera feed for enhanced security and peace of mind.

**Highlights:** Receive intercom calls on smartphone, Communicate with visitors remotely, Grant access with a virtual button, View intercom camera feed, Remote home access management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 4Trans

[App page](https://appshunter.io/ios/app/4trans/id6751645490)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Астра Домофон free?

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

### Is 4Trans free?

4Trans is free to download, with no in-app purchases.

### Do Астра Домофон or 4Trans have ads?

Neither Астра Домофон nor 4Trans shows ads.

### Which is updated more often, Астра Домофон or 4Trans?

Астра Домофон ships an update every 2 months, and 4Trans every 3 days. Most recently, Астра Домофон was updated on September 24, 2026 and 4Trans on October 30, 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.*