# Rangers Security Scanner vs ST Robotics

The clearest difference is ads: ST Robotics at none against Rangers Security Scanner's shown. Rangers Security Scanner's advantage is update cadence (every 4 days vs every 3 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

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

Rangers Security Scanner ships an update every 4 days, ST Robotics every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Rangers Security Scanner | ST Robotics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 3 months |
| Size | 52 MB | 34 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mahmoud Magdi](https://appshunter.io/developer/1709063189) | [STMicroelectronics](https://appshunter.io/developer/1801774735) |

## What reviewers say

### Rangers Security Scanner

[App page](https://appshunter.io/ios/app/rangers-security-scanner/id6467752216)

**Features:** macOS Compatibility

**In-app purchases:** none


### ST Robotics

[App page](https://appshunter.io/ios/app/st-robotics/id6739212512)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rangers Security Scanner free?

Rangers Security Scanner is free to download, with no in-app purchases.

### Is ST Robotics free?

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

### Do Rangers Security Scanner or ST Robotics have ads?

Rangers Security Scanner shows ads; ST Robotics does not.

### Which is updated more often, Rangers Security Scanner or ST Robotics?

Rangers Security Scanner ships an update every 4 days, and ST Robotics every 3 months. Most recently, Rangers Security Scanner was updated on October 25, 2026 and ST Robotics on October 25, 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.*