# Klien IT Systems vs STMPR Scanner

Klien IT Systems and STMPR Scanner are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Klien IT Systems ships an update monthly, STMPR Scanner fortnightly. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Klien IT Systems | STMPR Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 20 MB | 51 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Klien-IT-Systems BV](https://appshunter.io/developer/1574773403) | [Roland Leimeter](https://appshunter.io/developer/6788864507) |

## What reviewers say

### Klien IT Systems

[App page](https://appshunter.io/ios/app/klien-it-systems/id1574773401)

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

**In-app purchases:** none


### STMPR Scanner

[App page](https://appshunter.io/ios/app/stmpr-scanner/id6788864505)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klien IT Systems free?

Klien IT Systems is free to download, with no in-app purchases.

### Is STMPR Scanner free?

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

### Do Klien IT Systems or STMPR Scanner have ads?

Neither Klien IT Systems nor STMPR Scanner shows ads.

### Which is updated more often, Klien IT Systems or STMPR Scanner?

Klien IT Systems ships an update monthly, and STMPR Scanner fortnightly. Most recently, Klien IT Systems was updated on October 1, 2026 and STMPR Scanner on September 29, 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.*