In 2025, if you are a trainer and do not have a fitness app, you are like running a marathon with only one leg. Going to the gym with your weights and clipboard doesn’t cut it anymore; the athletic world has changed. The fitness world has changed and now technology rules the game. But you don’t need to be some kind of tech genius to keep up with it!   Having a fitness app is totally important if you want to connect with clients, track their progress, or create personalized