When you think of counting your steps or tracking your sleep, you’re probably going to think of attaching a smartwatch or some other wearable to your wrist—but you can actually monitor a bunch of metrics using just your phone.
Your phone has the…

When you think of counting your steps or tracking your sleep, you’re probably going to think of attaching a smartwatch or some other wearable to your wrist—but you can actually monitor a bunch of metrics using just your phone.
Your phone has the…