Heading to the Windows Phone Store, and we're eyeing a 9.1 release tonight and its banner feature is enabling Bluetooth heart rate belts. But there's a lot more to this update, which follows on the heels of the previous 9.0 refresh that came out in April .

Endomondo is a popular running app for Windows Phone and other platforms. In fact, you recently voted for it as your favored exercise app so it seems apropos for them to reward you back with a hefty update.

Endomondo 9.1.0.3

Bluetooth heart rate belts support

Updated calorie calculation

Set your weight, height, age and gender in settings

Enhanced newsfeed (like, comment, send peptalks, view photos, mini map, open friends workout)

Set title and attach photos to your workout

Fixed autopause bug that would crash application after workout was stopped

Fixed manual workout sport selection bug

Other small fixes and improvements

Looking at some of the new features and improvements, and it is clear Endomondo is back in the game with Windows Phone. The ability to use Bluetooth 4.0 LE* is relatively new for Windows Phone developers, and we're big fans of using heart rate monitors while exercising. When combined with your age, weight, height and gender, heart-rate monitors can result in more accurate calorie counting, not to mention hitting 'target' levels when doing cardio.

*Reminder: If you're using Windows Phone 8.1 Preview for Developers and Lumia device, Bluetooth 4.0 LE may be disabled until the Lumia Cyan update comes out

Unfortunately, we're traveling this week, so we can't give the new heart-rate monitor support a run, but if you have a monitor (or are thinking of getting one), you may want to go download this latest Endomondo update. Sign up, sign in and get going for #MobileFit with us!

Pick up Endomondo here in the Windows Phone Store

Thanks, Shane S., for the tip