Runkeeper was placed on Earth by supreme beings of some sort. Its programmable, GPS-tracked interval runs make the iPhone into a serious, and entirely thoughtless, training tool. But Runkeeper’s ...

If fitness is your thing, then there's an app for that. Actually, there are several, but today's daily app stands out because it can be heard as well as seen. HIIT Interval Timer from Pimpim Mobile is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you're looking for an interesting, highly customizable interval timer for your Windows Phone, ...