You know that the right info can help you lose weight. But if you're away from your computer — how do you see data or log food? Introducing the ultimate smartphone weight management system: BodyMedia FIT Mobile. Using our FREE app, log food on your iPhone® or Android™ smartphone* and see your most recent Activity Manager info. Plus with the new Armband BW — using Bluetooth® wireless technology — get real-time info on calorie burn & workout data.