UPDATE: April 2015. DO NOT BUY. Device still does not work, even with a new iPhone. App has never been updated in the App Store.
UPDATE: Nov 24, 2014. DO NOT BUY. Have had continuous problems with this device not pairing and it has been less than 3 months.
Customer service was helpful for the first 3 calls, then basically told me on the 4th call that I was out of luck and should wait for a future (unscheduled) app store update that, if I’m lucky, will fix the issues. I have never had so many problems, and cannot believe they did not offer to replace it, but upon my asking directly, they did not think a replacement would fix the issues. DO NOT BUY.
The Under Armour Armour39 Heart Rate Monitor is an excellent new addition to the heart rate monitor market. It consists of a chest strap and transmitter which pairs with an app on your iPhone or iPod Touch (or can pair with a watch purchased separately). Read More