I created Boxcar (http://boxcar.io http://boxcar.io), which has sent out 58 million push notifications. I've talked to every push notification provider out the

I created Boxcar (http://boxcar.io http://boxcar.io), which has sent out 58 million push notifications. I've talked to every push notification provider out there, and the guys from UA are the best at what they do. Without a moment of hesitation, I would strongly recommend choosing them over rolling your own. They're great guys, know what they're doing, and are having fun doing it.