Offseason Pro will assist in your team workout. Choose music from the devices playlist, and configure the settings before starting the workout. An audible cadence will let the lifters know what lift/set they are on. The app also displays the amount of time that has elapsed for the current part of the workout.
The free version contains Ads, and does not allow the user to choose a custom background. Please update to the full edition to remove ads, and unlock additional features.