Apps phoning home?
Not on your watch.
Radio Silence is a tiny firewall that lets you block any application from accessing the internet.
It is designed for people who are not interested in configuring traditional firewalls. Radio Silence supports OS X Yosemite, Mavericks, Mountain Lion, Lion, and Snow Leopard. It only takes a few seconds to install.Buy now for only $9 $15
Radio Silence has a risk-free 30-day guarantee. If you're not absolutely happy, you'll get your money back, no questions asked.