App Tamer 2.0 – CPU manager for your app collection.

App Tamer 2.0App Tamer tames your processor-monopolizing apps and keeps them from chewing up excessive CPU time and battery life. Powered by a unique AutoStop feature, App Tamer stops each application when you switch away from it — when you return to that app, it restarts automatically!

App Tamer is built around an attractive and clear user interface, designed for managing all your running applications with minimum distraction or frustration. With helpful displays, you can monitor the average percentage of your processor(s) being used by each app, or access a graphical history or your CPU usage. Easily enable AutoStop for any application, or limit it to a certain amount of CPU time.

What’s New

Version 2.0:

  • A new, streamlined user interface. Everything is available directly from your menubar. Hover over an application to see its performance, click on it to change its settings.
  • The ability to limit apps to a certain amount of CPU, rather than just stopping them. This makes App Tamer compatible with many more applications, including Spotlight, Time Machine and Mail.
  • Greater efficiency and responsiveness, bug fixes, and other good things that result from lots of testing and refinement.
  • Full compatibility with Mac OS 10.9 Mavericks and its App Nap feature.


Intel, OS X 10.7 or later


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