B4i-Bridge is an application that you install on the device. It has three purposes: 1. Launch the installation process when needed. This step is done with Apple Configurator 2 if using a local builder (https://www.b4x.com/android/forum/threads/installing-apps-with-apple-configurator-2.128397/)...
This is a tool for developers who use the hosted builder. With this tool your beta testers can install your app over the air by clicking on a link. In order to distribute your app you need to follow these steps: 1. Add the beta tester device UDID to the provision file and download the updated...
You need the target phone UDID to add in the provisional profile if you use the OTA deployer tool.
The alternative way is to use TestFlight. This requires you to have an Apple Developer account and upload the build to iTunes Store then the user will be invited through email as internal tester.
Both method have limited number of device installation. If I am not mistaken 500 devices.
PS: App published to TestFlight will expired in 90 days and you need upload new update to continue testing.