- Customizable sets, high/low intensity interval, and rest for your own needs
- Retina display, iOS4, and multitasking
- Can continue to run even when the screen is locked
- Can play your song or playlist during your workout
- Can post your workout to Facebook or Twitter
- Can save settings as templates
- Customizable features, including the number of sets, countdown time, set time, low interval time, high interval time, rest time, first interval (low or high), sound volume, timer sounds, auto-lock, vibrate, pause during rest, playlist, and new each set
- Can use Apple Health to show heart rate in the Apple Watch app
- Monthly and annual subscriptions are available
- Payment will be charged to your iTunes account at confirmation of purchase
- Subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period
- Automatic renewals will be charged at the same price as the original subscription
- Subscriptions can be managed by going to Account Settings on the App Store after purchase
- Terms of Use and Privacy Policy are available through the links provided.