Apple's corporate signature is distributed through the p 12 certificate generated by Apple's corporate developer account. It can be downloaded and installed directly by users, without jailbreaking or putting on the App Store.

IPA is the format of iOS application files. Take Haizhu platform as an example. Developers only need to log in to Haizhu platform with a browser. After registration, they can choose to upload app IPA files with one click on the enterprise signature page, and complete the payment to the self-service enterprise for signature, which can be distributed once a day for free.