Customer Review

85 of 91 people found the following review helpful
4.0 out of 5 stars All of the good and bad reviews are correct!, September 7, 2012
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This review is from: Wahoo Blue HR Heart Rate Monitor for iPhone and Android (Sports)
Right off the bat, I'll say YES it was an "out of the box failure." But I'm rating it good anyway.

First things first - it came out of the box with a dead battery. Oops. Yeah, that's a bummer, maybe they got a bad batch of batteries from Sony or maybe these have been sitting on a shelf too long. Fortunately I have a drawer full of CR2032 cells for various other devices, so replacing the battery was a simple matter.

Upon inserting a new battery, it IMMEDIATELY paired with the open Wahoo Utility app on my iPhone 4S.

Now for the other weird stuff. I hope this can save others some confusion. And I blame this not on Wahoo or the device, but on Apple's implementation of Bluetooth 4.0 or possibly on the BT4 standard itself.

BT4 devices need to be paired not with the DEVICE, but with the APPLICATION. So logically, once it was paired with the Wahoo Utility app, I switched to the Wahoo Fitness app. It wouldn't pair. Because the Wahoo Utility was still sitting in the background, paired with the heartrate monitor. I had to pull up the task switcher on my iPhone, KILL the Wahoo Utiility app, and then try pairing again with the Wahoo Fitness app, and it worked immediately.

Same thing happened when I tried pairing with Runkeeper. Because the Wahoo Fitness app was still maintaining a connection in the background, the app had to be killed before Runkeeper would pair. But ultimately, it did pair, and once paired it was accurate and responsive.

The device works fine, but the technology is not intuitive, and Wahoo does a poor job of providing documentation or support, which prevents me from giving a 5 star review. But with a little bit of effort, I think this is still the best option for someone looking to integrate a heartrate monitor with their iPhone-based workout tracking routine.

If you buy one and have trouble with pairing, first make sure you're wearing the monitor - if it's not on your chest, it's probably asleep. Next, try swapping batteries. Next try killing any apps which have attempted to pair with it. Next try restarting your iPhone. If it doesn't work after that, send it back!
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