5. Garmin VivoActive HR
Functions: all day heart rate monitor, built in sports apps, smartwatch features
You can do all sports and stay on top of your fitness game with this tracker. It made it to the list of 9 easiest fitness trackers to use without phone for seniors simply because it has a bright display, tons of features that don’t complicate the navigation, and all-day activity tracking for calories, steps, sleep, and heart rate.