qw-data CertChecker
Rainer Hagemann Utilities iPhoneiPadiPod touch
qw-data CertChecker is a free Utilities app for iPhone and iPad by Rainer Hagemann. Requires iOS 15.0. Updated August 25, 2026.
- Price
- Free
- on the App Store
- Size
- 1 MB
- Age 4+
- Updated
- Aug 25
- 2026 · v1.1.0
Screenshots
About qw-data CertChecker
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.
What’s new
Version 1.1.0 · Updated August 25, 2026
Updated for current iOS versions with improved QR-code recognition, more reliable navigation, and bilingual privacy information.
App privacy
The developer, Rainer Hagemann, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to qw-data CertChecker
Looking for apps like qw-data CertChecker? Here are 6 similar apps on the App Store. The highest rated is SSL Certificate Checker (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| qw-data CertChecker | – | Free | August 25, 2026 | |
| CloudPaste | – | Free | May 21, 2025 | Compare |
| Remotable ESP32 | – | Free | Mar 6, 2026 | Compare |
| Endpoint Alert: SSL,Uptime,API | – | Free | Feb 2, 2026 | Compare |
| SSL Certificate Checker | 5.0 / 5 (2) | Free | Sep 30, 2026 | Compare |
| CHMOD Lab: Linux Permissions | 5.0 / 5 (1) | Free | Jan 6, 2026 | Compare |
| EdgeAnt | – | Free | Apr 13, 2026 | Compare |