Yollo is a free interval running timer app designed to enhance your running experience through customizable workouts and voice coaching. Users can set up optimal interval courses and adjust the frequency of voice guidance to suit their preferences. The app also features a clean voice coach, allowing users to enjoy their music without interruptions while they run.

In addition to its training capabilities, Yollo promotes social interaction among runners by enabling users to follow nearby runners and encouraging them to engage in friendly competition. The app offers appointment scheduling for runs, which helps users stay committed to their fitness goals. A subscription option provides additional features, including unlimited access to runner profiles and the ability to create clubs, enhancing the overall experience for users seeking a community-oriented running application.