Custom Branded Mobile Apps For Gyms & Health Clubs Your own branded gym app in just 5 minutes Fitnexus is the world’s fastest-growing custom-branded app provider for gyms, studios and health clubs. In just five minutes, we’ll have you up and running with a powerful, engaging, own-branded mobile app that boasts all the features your members are looking for, both in and out of your club. Even better, it requires minimal input from you: you can be as hands-on or hands-off as you like. Welcome to the hybrid model made really, really easy. Book a demo with us today!