App Tamer 2.0.4 saves power, quiets fans on Yosemite Posted 10/08/2014 at 12:52 UTC in Mac by gnye@amdesign.net | Permalink | Tweet St. Clair Software today introduces an update for App Tamer, its Macintosh utility that manages applications to deliver more efficient CPU usage, increased battery life and quieter operation. App Tamer's unique AutoStop capability automatically slows down or pauses applications when you switch away from them, and then restarts them when you click back to them. This version delivers full compatibility with Mac OS 10.10 Yosemite.