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When it comes to exercise, there are plenty of iOS apps that can do everything from tracking your running or biking speed to estimating calories burned, but when it comes to ensuring your workouts are worth it, no metric is more important than your heart rate. With that in mind, fitness tech compa...

2 years ago 0 Comments
January 7, 2013 at 10:30PM
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When we're not blogging, we're training for marathons, triathlons and the like, and we're constantly looking for ways to maximize our athletic performance. Ok, not really, but there are plenty of folks who are athletes looking for an extra edge, and 4iiii wants to give it to them with a heads up ...

3 years ago 0 Comments