Every device has its advantage. The main difference between a fitness band and a pedometer device is its Bluetooth connectivity. A fitness tracker comes with Bluetooth, but it has an option to completely disable it whereas a pedometer device doesn't have any wireless connectivity. Also, fitness trackers are wearable on the wrist, which allows you to carry them wherever you go. However, a pedometer is specially made for measuring physical activity compromising connected features like remote cameras, smartphone notifications, etc. Therefore, if you are going to use a device just for tracking physical activity like the number of steps taken, distance, calories burned, then a pedometer device will be a perfect choice for you. However, if you are looking for smart features like notifications, alarms, reminders that you'll be using in your day-to-day life, consider purchasing a fitness band.