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Get $1 credit for every $25 spent!
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Some applications, particularly web browsers and older apps, continue running tasks or animating ads even when they're idle. That uses valuable processing (CPU) power, which leaves you with less CPU power, increased heat & fan noise, and reduced battery runtime. App Tamer tames applications that are chewing up excessive CPU time and battery life on your Mac. Its unique "AutoStop" feature will slow down or stop an application when you switch away from it, and then automatically restart it when you click back to it. Unlike some utilities that let you manually stop processes, App Tamer automatically handles the details for you.

  • Automatically slow down or pause your apps whenever you're not using them
  • Automatically restart apps when you start using them again
  • Reduce the CPU & battery usage of Safari, Firefox, Google Chrome, and many other apps
  • Tune App Tamer's behavior to your needs: whether you're frugally conserving battery power or feeding every last CPU cycle to Starcraft
  • Detect excessive CPU usage & decide whether to take control or let the process continue
  • Put programs you're not using into "sleep"
  • Accelerate your Time Machine backups


  • 4.2/5 stars on MacUpdate: ★ ★ ★ ★
  • Macworld: "Pure gain with no pain"
  • "A Must-Have Mac Utility"
  • Evan Katz, Former Contributing Editor of Personal Computing Magazines: "App Tamer is a fantastic Mac utility, which literally tames background apps and processes, appreciably reducing their CPU usage, and thereby substantially speeding up a Mac, its user’s foreground task and his/her productivity. App Tamer is a must-have on every Mac!"

System Requirements

  • macOS 10.9 - 11.2

Important Details

  • Length of access: lifetime
  • Redemption deadline: redeem your code within 30 days of purchase
  • A single-user license can be activated on up to 3 computers
  • Access options: desktop
  • Updates included

Single-User License

The purchase of a Single User License gives you the right to continue to use the software following the expiration of the Evaluation Period on computers owned by you or your organization. If you would like to use the software on more than one computer, you may do so as long as you are the sole user of the software.


  • Unredeemed licenses can be returned for store credit within 30 days of purchase. Once your license is redeemed, all sales are final.