At launch, TomTom Spark 3's on-board music storage was somewhat unique, offering phone-free music but with the Apple Watch 3, an increasing number of Android Wear watches, the Polar M600 and ...

The Spark 3 is definitely equipped for both short workouts and marathons – TomTom says that you’ll get as much as 11 hours of battery life in tracking mode, which is around what we experienced.

TomTom promotes the Spark 3 as a truly phone-free GPS watch. You can store music on it, but it's also a daily activity tracker that monitors steps, distance, calories, and sleep on a regular basis.

With a built-in heart-rate monitor and storage for music, the TomTom Spark 3 Cardio + Music is the best GPS watch for those who want to track their heart rates and listen to music while working out.