# PFS Scanner vs AQASYS SCADA

The clearest difference is update cadence: AQASYS SCADA at every 5 months against PFS Scanner's every 13 months. PFS Scanner's advantage is iOS requirement (14.2 vs 16.0). 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.

PFS Scanner ships an update every 13 months, AQASYS SCADA every 5 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | PFS Scanner | AQASYS SCADA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 months** |
| Size | 1 MB | 3 MB |
| Requires iOS | **14.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PF-Schweisstechnologie GmbH](https://appshunter.io/developer/1185794454) | [SCHRAML GmbH](https://appshunter.io/developer/1613496102) |

## What reviewers say

### PFS Scanner

[App page](https://appshunter.io/ios/app/pfs-scanner/id1626454318)

**In-app purchases:** none


### AQASYS SCADA

[App page](https://appshunter.io/ios/app/aqasys-scada-leitsystem/id6474295605)

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

**In-app purchases:** none


## Frequently asked questions

### Is PFS Scanner free?

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

### Is AQASYS SCADA free?

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

### Do PFS Scanner or AQASYS SCADA have ads?

Neither PFS Scanner nor AQASYS SCADA shows ads.

### Which is updated more often, PFS Scanner or AQASYS SCADA?

PFS Scanner ships an update every 13 months, and AQASYS SCADA every 5 months. Most recently, PFS Scanner was updated on November 3, 2026 and AQASYS SCADA on November 4, 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.*