You're still able to input the number of reps per exercise within a round. The reason why only sets is included in the Round header is because a round is consid

You're still able to input the number of reps per exercise within a round. The reason why only sets is included in the Round header is because a round is considered as a collection of exercises (i.e., circuit training). So 1 set would equal completing all the exercises within a round (where you set the reps you want to complete for each exercise).