# SCMS vs U

The clearest difference is review sentiment: U at 80% against SCMS's 50%. U also leads on update cadence (every 5 weeks vs every 21 months). SCMS's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.6). 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.

SCMS ships an update every 21 months, U every 5 weeks. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SCMS | U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/scms/id1442059754/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 332 MB | 55 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abetechs GmbH (Grundig Security)](https://appshunter.io/developer/1432649360) | [a2softin](https://appshunter.io/developer/1133492162) |

## What reviewers say

### SCMS

[App page](https://appshunter.io/ios/app/scms/id1442059754)

This mobile application allows users to remotely view and control surveillance cameras, digital video recorders, and servers. It offers real-time video previews, PTZ control, zoom, and snapshot capabilities for managing up to 256 devices.

**Highlights:** Real-time video preview (up to 32 channels), Swipe for PTZ control and camera movement, Pinch to zoom in preview mode, Preset activation and configuration, Brightness calibration, Snapshot support, Manage up to 256 devices

**Features:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-prox-installer/id1511573806)

Configure and manage your wireless security system remotely. Install, test, and calibrate system components, manage security groups, and connect to monitoring services. Control user access and permissions for your security system.

**Highlights:** Adjust wireless security system, Install, test, and calibrate elements, Manage security groups, Connect to monitoring companies, Add/remove users, Grant control rights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SCMS free?

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

### Is U free?

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

### Do SCMS or U have ads?

Neither SCMS nor U shows ads.

### Which is updated more often, SCMS or U?

SCMS ships an update every 21 months, and U every 5 weeks. Most recently, SCMS was updated on September 10, 2026 and U on September 17, 2026.

---

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