Unless you're on the AT&T unlimited data plan, you may be sweating those data caps on your iPhone. If you go over a certain amount of data usage on your iOS device, you'll wind up with overages. Couple that with the fact that our iDevices appear to upload info in the wee hours of the night and consumers wind up wondering just how much data they are using on a daily basis. Yes, you can drill down into Settings > General > Usage to see your data, or use the AT&T myWireless app, but those are slightly inconvenient and don't provide alerts or detailed info. Enter DataMan, which features data tracking and push notifications to l
