QRfiddle offers Free Trial, but Zust does not.
Pricing for Zust Starts at $10/month whereas for QRfiddle Starts at $20/month.
Zust offers several advantages, including Generates artistic QR codes, Uses own images/prompts, Downloadable as PNG, Advanced QR code options, Flexibility to create unique codes and many more functionalities.
The cons of Zust may include a Doesn't support vector outputs, Limited customization options, API in waitlist phase, Lack of multi-platform compatibility. and No marketplace for designs
QRfiddle offers several advantages, including Customized QR codes, Inputs for personalized design, Advanced feature control, Usable on various platforms, Enhanced user engagement and many more functionalities.
The cons of QRfiddle may include a No free trial offered, No offline mode, No bulk QR generation, Requires prompt or image input. and No mention of scalability