# JUNG KNX SECURE SCANNER vs GVS Smart

The clearest difference is update cadence: GVS Smart at monthly against JUNG KNX SECURE SCANNER's every 3 months. 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.

JUNG KNX SECURE SCANNER ships an update every 3 months, GVS Smart monthly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | JUNG KNX SECURE SCANNER | GVS Smart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 3 MB | 137 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albrecht Jung GmbH & Co. KG](https://appshunter.io/developer/365020899) | [GVS SMART CO.,LTD.](https://appshunter.io/developer/854323781) |

## What reviewers say

### JUNG KNX SECURE SCANNER

[App page](https://appshunter.io/ios/app/jung-knx-secure-scanner/id1488292976)

This app simplifies securing KNX installations by scanning device QR codes. It generates protected JSON files or password-protected PDFs of device certificates, saving time and reducing errors for installers and system integrators.

**Highlights:** Scan KNX Secure device QR codes, Generate protected JSON files, Create password-protected PDF lists, Import device certificates into ETS, Save time and reduce errors, Bridge distance between site and integrator

**Features:** macOS Compatibility

**In-app purchases:** none


### GVS Smart

[App page](https://appshunter.io/ios/app/gvs-smart/id6469039486)

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

**In-app purchases:** none


## Frequently asked questions

### Is JUNG KNX SECURE SCANNER free?

JUNG KNX SECURE SCANNER is free to download, with no in-app purchases.

### Is GVS Smart free?

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

### Do JUNG KNX SECURE SCANNER or GVS Smart have ads?

Neither JUNG KNX SECURE SCANNER nor GVS Smart shows ads.

### Which is updated more often, JUNG KNX SECURE SCANNER or GVS Smart?

JUNG KNX SECURE SCANNER ships an update every 3 months, and GVS Smart monthly. Most recently, JUNG KNX SECURE SCANNER was updated on October 16, 2026 and GVS Smart on October 9, 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.*