check out
XFINITY® Home Security Systems, Alarm Systems from Comcast
I don't have one now but I use to have ADT and they have a longterm contract.. not sure what xfinity's plan is but my mom uses it and she seems to like it for her place and it has phone apps
simply safe looks promising too but when things look too good or cheap to be true they normally aren't all they are cracked up to be.
