Is there a separate app for Xi’an One Code Pass?

Yes.

The first step: Open or download the Alipay APP and complete the real-name registration;

The second step: Search for "Xi'an One Code Pass" at the top of the Alipay homepage;

Step 3: Fill in the real information, submit and confirm it twice;

Step 4: Automatically obtain the personal electronic identification code.

Open Alipay APP and search for "Xi'an One Code Pass"; click to enter city services;