The personalization questions are more creative than most of other fitness apps. For example, Fitbod starts by asking what is the main reason for joining Fitbod instead of the boring age/gender/height questions.
Fitbod offers to synchronize the Apple Health profile during the onboarding.
Fitbod has a smart way to ask if the user wants to allow notifications with a concrete example: "On the days you exercise, do you want a preview of your work?"
The tutorial is progressive: a new part of the tutorial pops up every time the user visit a new page.