Polar LOOP

Yes this does what all the others do but with a couple more years of research and fitness technology behind them. Yes they are late to the game, may it is better, I would assume. Linking to the heart rate monitor is very smart and set them apart. 

For anyone who wants to track their activity 24/7 and get guidance to reach activity goals.

• Activity Guide helps you stay active all day long
• Activity Benefit gives feedback about your daily, weekly and monthly activity
• Displays daily activity, calories burned, steps taken, time of day
• Free guidance with the Polar Flow app and Polar Flow training community
• Compatible with Polar H6 and H7 Bluetooth Smart heart rate sensors
• Waterproof

$110