UltraTimer is the original fully-programmable and customizable interval timer in the AppStore, offering a refined and feature-rich experience. It provides an easy and convenient way to time any activity or series of activities. Users can set single or multiple timers, each with customizable countdown intervals and alarm sounds from a diverse library. The app allows for background color changes for visual feedback, catering to various needs from training to time management across different projects.

For fitness enthusiasts, UltraTimer is a versatile tool suitable for a wide range of activities like martial arts, yoga, interval training, cycling, and more. It facilitates setting up Timer Groups to automate full workouts with warm-up, training, and stretching timers. The app also features a Timer Exchange community for users to freely share and download timers, enhancing its usability and customization options.