Terrible.

Fails to mention that you must run application in background FOREVER if you want it to work right. If you happen to accidentally swipe the app closed, the device will beep non stop until you physically push the button to turn it off. Nice idea, but I feel this was a requirement that was conveniently left out of the description. I feel cheated, and will not do business with GROUPON again.

Murderphace about iTracing