App Tamer 2.8.3 – CPU manager for your app collection


App 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.


Don’t waste time trying to manage CPU usage on an app-by-app basis — liberate your Mac with App Tamer!



Version 2.8.3:

  • Corrected issues with process control not working correctly during and after system sleep.
  • You can now create a sample report (like in Apple’s Activity Monitor) using the contextual menu in App Tamer’s process list.
  • vdhcoapp, the helper app for the Video DownloadHelper browser extension, is treated as a distinct application so CPU limits can be set for it separately from the web browser that hosts it.
  • Fixed the appearance of buttons in the process lists on older versions of macOS.
  • Changed several status messages so they are more informative.
  • Added support for Chromium web apps.



  • Intel, 64-bit processor
  • macOS 10.13.3 or later

ScreenShots :



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Size – 9MB