Swimnerd is a free lifestyle app designed for iPhone users to create personalized swim practices and program them into the Swimnerd Pace Clock directly from their device. Users can easily customize sets by selecting pool lengths, adding rounds, repetitions, and intervals, and even creating ladder sets with a few clicks. The app offers various energy zones to tailor workouts and allows users to save, edit, and copy their favorite sets effortlessly.

With Bluetooth capabilities, users can control the Swimnerd Pace Clock functions such as Power On/Off, Count Up/Count Down, and Start/Stop/Pause/Reset directly from the app. Additionally, the app provides tools like Goal Setting, Time Converter, and Pace Calculator to enhance swim training experiences.