Seconded for Adguard. I've tried several others blockers, such as Blockr (which don't update their filters often enough), to something more all encompassing lik

Seconded for Adguard. I've tried several others blockers, such as Blockr (which don't update their filters often enough), to something more all encompassing like Weblock (which creates a proxy link and filters at the system level); ended up breaking a lot of things like App store downloads and updates.