# Система.Домофон vs OSS

The clearest difference is update cadence: OSS at every 4 days against Система.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.

Система.Домофон ships an update every 2 months, OSS every 4 days. The most recent releases landed on October 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Система.Домофон | OSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/id1562957377/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 153 MB | 24 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beslan Beniya](https://appshunter.io/developer/1494639760) | [Armen Oganesian](https://appshunter.io/developer/1893649373) |

## What reviewers say

### Система.Домофон

[App page](https://appshunter.io/ios/app/id1562957377)

This application allows users to receive video calls from their intercom, remotely open doors, and view live or archived video feeds from cameras. It provides event notifications and supports convenient phone number authorization and Face ID.

**Highlights:** Receive video calls from intercom, Remote door unlocking, Live camera view, Video archive viewing and downloading, Event notifications, Face ID and phone number authorization

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

**In-app purchases:** none


### OSS

[App page](https://appshunter.io/ios/app/oss/id6762284333)

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

**In-app purchases:** none


## Frequently asked questions

### Is Система.Домофон free?

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

### Is OSS free?

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

### Do Система.Домофон or OSS have ads?

Neither Система.Домофон nor OSS shows ads.

### Which is updated more often, Система.Домофон or OSS?

Система.Домофон ships an update every 2 months, and OSS every 4 days. Most recently, Система.Домофон was updated on October 30, 2026 and OSS on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*