qw vs BHand
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
qw
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This App is a demonstrator for QR-Codes on EuroWeld certificates. You can read QR-Codes that are created by the program EuroWeld. CertChecker analyses the QR-Code and shows the parts in a readable form. Additional it checks the signature and says if it is valid or invalid. With the Certipedia-Button you can call the official Certipedia-Website to check your EuroWeld certificate.
BHand
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This app helps you configure your gas sensor via your mobile device. You simply power up your compatible device and use the app to configure it via Bluetooth. You can configure your device with this app: - The network to connect to, and configure how to connect to your data server. - Data protocols used, security certificates. - Download cached data (if supported by device). - and more.
Screenshots
Verdict
The clearest difference is update cadence: BHand at every 2 months against qw's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
qw ships an update every 20 months, BHand every 2 months. The most recent releases landed on November 13, 2026 and November 12, 2026 respectively.
| Parameter | qw | BHand |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 20 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14 — better |
| Further details — not scored | ||
| Size | 1 MB | 38 MB |
| Age rating | 4+ | 17+ |
| Developer | Rainer Hagemann | Tongdy Sensing Technology Corporation |
In-app purchases
qw
No in-app purchases
BHand
No in-app purchases
