Will using the USMC Squad Bay app automatically enlist me?

I want to start using it because my friend wanted to enlist and we agreed to do the same workouts and stuff. The challenges look fun and it would help me keep track of stuff, but I don't want to enlist. Is that an option?

(Also, sorry if this is the wrong flair or anything, I'm new in this sub and the rules didn't say don't ask dumb questions)