Apps like SleepCycle that just use the accelerometer data are not as good as wristbands, especially if you're sleeping with somebody. I still have an WakeMate,

Apps like SleepCycle that just use the accelerometer data are not as good as wristbands, especially if you're sleeping with somebody. I still have an WakeMate, but the app expired and they didn't opensource it, so it's useless :(