Data is not the hard part. Decisions are.

While building Vobbin, I’m starting to think most fitness apps don’t have a data problem.

Users already track sleep, activity, workouts, calories, recovery, HRV, and more.

The real gap is: what should I do next?

A person may know they slept badly or recovery is low, but still not know whether to train hard, reduce intensity, focus on sleep, or adjust habits.

That’s what I’m exploring with Vobbin: less dashboard, more decision layer on top of health data.

For people building consumer apps, how would you validate this early without overbuilding?