# U vs Door Intercom

The clearest difference is review sentiment: U at 25% against Door Intercom's 0%. Door Intercom's advantage is update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

U ships an update every 3 months, Door Intercom monthly. Both last shipped on October 18, 2026.

## The numbers

| Metric | U | Door Intercom |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 15 MB | 85 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [a2softin](https://appshunter.io/developer/1133492162) | [Yung Cheng Kuo](https://appshunter.io/developer/1018729575) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-prox-mobile-config/id1219957223)

This utility app configures U-Prox family access controllers. It allows for bulk editing of access rules, firmware upgrades, and replication of settings across multiple controllers. Users can also access an event log for alerts and access times.

**Highlights:** Bulk edit access rules, Firmware upgrade, Access rules replication, Event log, Setup U-Prox controllers

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

**In-app purchases:** none


### Door Intercom

[App page](https://appshunter.io/ios/app/door-intercom/id1499600056)

This application allows users to remotely monitor and receive alerts from a compatible camera. It supports various network connections and sends notifications via push, SMS, or video calls. Recorded alarm videos can be downloaded and played back.

**Highlights:** Remote camera connection, 3G video call and data network support, WAN, Wi-Fi, and 3G internet connectivity, Push notifications to iPhone/iPad, SMS and 3G video call alerts, Internal memory for alarm video recording, Downloadable alarm video playback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is Door Intercom free?

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

### Do U or Door Intercom have ads?

Neither U nor Door Intercom shows ads.

### Which is updated more often, U or Door Intercom?

U ships an update every 3 months, and Door Intercom monthly. Most recently, U was updated on October 18, 2026 and Door Intercom on October 18, 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.*