Comparison

qw vs Program Codes

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

qw

Features
Read full description

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.

About

Program Codes

Features
Read full description

Program Codes is a program code download application (source codes). There are over 20 Windows applications in total. The codes are packed in a RAR file. After downloading, you need to unpack them and open the project in an IDE application. Project types are: C#, C++, Java. The codes only work in a Windows environment. The codes only need an IDE to compile and run programs after compilation. C# and C++ codes need Windows Visual Studio to compile. And Java codes Eclipse. The app is easy to use. To do this, press the Programs button in the main menu and you will see programs that you can download (Projects). Once you have selected an application, press the Open button. You can browse the application files and view them in the application tree. If you want to see the contents of the file, press the Content button, the file must be selected. You can see the contents of the files, not folders. If you want to download a Project, press the Download button. You can download the application if you have upgraded. This is a paid purchase. You can do this by pressing the Upgrade button in the Main menu. You can choose the location of the downloaded file on your device.

Screenshots

qw2 screens
Program Codes3 screens

Verdict

The call

The clearest difference is in-app purchases: qw at none against Program Codes's 1. Program Codes's advantage is update cadence (every 9 months vs every 20 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Program Codes sells 1 one-off in-app purchase. qw asks for nothing beyond the download.

UpkeepUpdate frequency

qw ships an update every 20 months, Program Codes every 9 months. The most recent releases landed on September 15, 2026 and September 12, 2026 respectively.

Scorecard2 real differences ยท 4 level
qw versus Program Codes: the parameters behind the verdict, then further details
ParameterqwProgram Codes
PriceFreeFree
Update frequencyEvery 20 monthsEvery 9 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 โ€” better15.6
Further details โ€” not scored
Size1 MB4 MB
Age rating4+4+
DeveloperRainer HagemannJanek Soomets

In-app purchases

None

qw

No in-app purchases

1 purchases

Program Codes

One-time1
  • Upgrade Program Codes$12.99

Questions

Is qw free?
qw is free to download, with no in-app purchases.
Is Program Codes free?
Program Codes is free to download, with in-app purchases available.
Do qw or Program Codes have ads?
Neither qw nor Program Codes shows ads.
Which is updated more often, qw or Program Codes?
qw ships an update every 20 months, and Program Codes every 9 months. Most recently, qw was updated on September 15, 2026 and Program Codes on September 12, 2026.

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