on the mobile signed in as coach and looking at an athlete's workout, to be able to add an exercise.

This is now possible. In Org Settings > "allow athlete workouts" enabled. Coaches can now add exercises in mobile workout view for any athlete.

This is now possible. In Org Settings > "allow athlete workouts" enabled. Coaches can now add exercises in mobile workout view for any athlete.

The athlete (or coach) having the ability to add or remove sets within the workout view would be great too