# LinkedUnion Scanner vs IEMS SCS

The clearest difference is update cadence: IEMS SCS at every 4 weeks against LinkedUnion Scanner's every 3 months. LinkedUnion Scanner's advantage is iOS requirement (12.0 vs 15.6). 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.

LinkedUnion Scanner ships an update every 3 months, IEMS SCS every 4 weeks. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | LinkedUnion Scanner | IEMS SCS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 56 MB | 107 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [LINKED UNION LLC](https://appshunter.io/developer/1271448245) | [Sapphire Consulting Services](https://appshunter.io/developer/1522645791) |

## What reviewers say

### LinkedUnion Scanner

[App page](https://appshunter.io/ios/app/linkedunion-scanner/id1354431576)

**Features:** macOS Compatibility

**In-app purchases:** none


### IEMS SCS

[App page](https://appshunter.io/ios/app/iems-scs/id1563679846)

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

**In-app purchases:** none


## Frequently asked questions

### Is LinkedUnion Scanner free?

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

### Is IEMS SCS free?

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

### Do LinkedUnion Scanner or IEMS SCS have ads?

Neither LinkedUnion Scanner nor IEMS SCS shows ads.

### Which is updated more often, LinkedUnion Scanner or IEMS SCS?

LinkedUnion Scanner ships an update every 3 months, and IEMS SCS every 4 weeks. Most recently, LinkedUnion Scanner was updated on October 6, 2026 and IEMS SCS on October 27, 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.*