CTIA proposes an age rating system to streamline maturity ratings . Google spokesman says Google will stick with the market 's current rating system . In its App Store , Apple provides an age rating ranging from 4+ to 17+ , and lists the reasons for assigning its maturity rating . In its iTunes Store , Apple provides an age rating range from 4 + to 12 + .
CTIA proposes an age rating system to streamline maturity ratings . Google spokesman says Google will stick with the market 's current rating system . In its iTunes Store , Apple provides an age rating range from 4 + to 12 + .