These two health codes are the same. From the positioning point of view, Alipay's health code is at the national level, because Alipay has established a national unified health code system for epidemic prevention and control under the guidance of the E-government Office of the State Council General Office. Wechat mainly launched the "health code" standard with the National Information Center, rather than establishing a unified national health code system, so Alipay has a higher positioning. But the utility of the two is the same. You can apply for your own health code through Alipay or WeChat.
Health codes are based on real data and can be generated by citizens or people who have returned to work through online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly.