Ipad in the family room. No web surfing. Any games require chat turned off. The worst thing I ever did was download youtube kids. They just treat them as mini TVs and we had to limit the app so they actually played some of their favourite games. Kids are 9 & 6
1-2 hrs a day it I am being honest with myself.
Thinking after typing:
If you are setting individual limits in app, this has gave me the thought of only showing X min of video a day then they disappear from the feed