KettleFit is an Android app developed by OneFitStop that allows users to book their next KettleFit session, view studio timetables, purchase intro specials and memberships, and more. The app offers a unique style of training that saves time and maximizes results via the "Whole System Approach." KettleFit focuses on training the whole system at once, combining over 13 years of Kettlebell training experience with 18 years of traditional weights-based training to create their own unique set of training principles and methodologies.

The app's workouts follow principles such as full-body balanced focus in every session, revolving around 8 key movement patterns, covering over 9 different phases of training, and across multiple planes of movement. KettleFit trains the cardiovascular, musculoskeletal, fascia, and nervous systems all at once, covering the 3D matrix. This specific recipe for training results in a dramatic increase in your athletic potential and abilities, providing you with an elite level of full-body strength. KettleFit's style of training enhances the act of performing any task or function at levels above your current standards, ultimately making you happier and healthier.