10 best fitness apps of 2025

And despite having an OLED display, you’ll still get roughly 14 days of battery life on a single charge. It’s also incredibly lightweight, making it a good option for sleep tracking as well. Fitness trackers are meant to help you keep track of your health and activity. Some factors we consider in our rankings are durability, performance, accuracy versus consistency in metrics, and of course, battery life. The Garmin Epix Pro mad muscles review Sapphire is built for serious athletes and endurance competitors who…