When you start a work out and follow along with the app, it doesn’t allow you to pause and go back to any exercise without essentially ending the work out and starting over. You should be able to pause and Go back to a specific work out or circuit to redo it or because you didn’t understand the move. You should be able to Skip a rep if you’re not able to physically complete it and move on to the next exercise or circuit. This should All be without ending and canceling the workout which is what it makes you do now. (The skimble workout app does this very well).