Timer Stack - Interval Timer

Timer Stack is a workout timer app offering the following features:

- Build a workout (HIIT, boxing, circuit) in a matter of seconds and store the workout to use again later
- Voice call outs to guide you through your workout (current set name, next set reminder, progress call outs, + more...)
- Runs seamlessly alongside your favorite music player - allowing you to play your favorite tunes whilst you workout
- Optional cadence ticker
- On screen progress of each workout (with keep screen on option)
- Customizable background colors for each set
- +more ...

The free version offers all features except timers cannot be reused. If you want to repeat your favorite workout, get Timer Stack Unlimited (in app purchase). A free 28 day trial also available as an in app purchase.