|TestFlight - Image from Redmond Pie|
The current testing process of your iOS apps via TestFlight can be tedious. But I find this easier than the process of Fabric and TestFairy wherein you will need to give the developer your device's UDID. Without further ado, here is the step-by-step guide to test an app via TestFlight - that's right, from registration up to the downloading process.
These steps were done using an iPhone. It is required to do these steps on your iOS Device where you plan to download the app.
More details: Easy, right? To add, search for your APP STORE app on your iOS Device, and tap the Search icon at the bottom.
Step 2 - Check your email for itunesconnect invitation sent by your developer and TAP on the "activate your account"
More details: Talk to your developer. The email address that you gave to your developer will be the one you will open up. The email should look like this with the same subject.
Step 9 - After filling up the required fields asking for your details, you will see this new agreement to finish up registering your account
More Details: After reviewing, tap on AGREE.