You have found it. The most advanced workout timer app available is now before you. A clear easy to read layout with hundreds of possible setting combinations make this the perfect app to time your workout. Whether you are doing Tabata, HIIT, or Circuit Training this app has you covered. Features: - Tabata, HIIT, Circuit & Compound timer types - Text to speech interval/exercise announcements - Customizable colors - Works well while music is playing from the same device - Runs in the background or when screen is locked - Lockable display - Vibrations Run the app in the foreground, background or with device locked. Text to speech interval announcements will tell you exactly what you need to do. Now go get to work!