qw vs Prompt Link
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.
Prompt Link
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This extension appends text from the url on websites with prompt input sections.
Screenshots
Verdict
The clearest difference is update cadence: Prompt Link at daily 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, Prompt Link daily. Both last shipped on October 2, 2026.
| Parameter | qw | Prompt Link |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 20 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Rainer Hagemann | Andrew Mayne |
In-app purchases
qw
No in-app purchases
Prompt Link
No in-app purchases
