# ST50i vs iSCS Sentinel

ST50i and iSCS Sentinel are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ST50i ships an update every 4 months, iSCS Sentinel every 2 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | ST50i | iSCS Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (28 ratings)](https://appshunter.io/ios/app/iscs-sentinel/id1488900916/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | **55.6% of reviews** | 54.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 2 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STIM](https://appshunter.io/developer/409841037) | [SA SCS - SYSTEMS COMMUNICATION SECURITE](https://appshunter.io/developer/1260829615) |

## What reviewers say

### ST50i

[App page](https://appshunter.io/ios/app/st50i/id409841034)

This utility app allows users to remotely connect to various STIM ST400 series machines and IP series devices from their iPhone or iPad. It provides access to industrial equipment for monitoring and control.

**Highlights:** Remote connection to STIM machines, Supports ST400, ST4100, ST4400, ST4600 models, Supports IP602, IP603, IP604, IP605 models, iPhone and iPad compatibility, Industrial equipment access

**Features:** macOS Compatibility

**In-app purchases:** none


### iSCS Sentinel

[App page](https://appshunter.io/ios/app/iscs-sentinel/id1488900916)

This intelligent application provides comprehensive control and security for your home directly from your iPhone or iPad. Developed in France, it frequently receives updates with new features and expanded product compatibility.

**Highlights:** Remote home control, Home security monitoring, iPhone and iPad compatibility, Regular updates, New product integrations

**In-app purchases:** none


## Frequently asked questions

### Is ST50i free?

ST50i is free to download, with no in-app purchases.

### Is iSCS Sentinel free?

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

### Do ST50i or iSCS Sentinel have ads?

Neither ST50i nor iSCS Sentinel shows ads.

### Which is updated more often, ST50i or iSCS Sentinel?

ST50i ships an update every 4 months, and iSCS Sentinel every 2 months. Most recently, ST50i was updated on November 1, 2026 and iSCS Sentinel on November 11, 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.*