A new app — A1 CPU Tool released

Today we are proudly announcing release of the Android utility — A1 CPU Tool.

A1 CPU Tool is a visual CPU tool to monitor time CPU spends in each frequency and Deep Sleep. Get the latest version from Play Store.


  • Free, and without Ads
  • Monitor CPU load in real-time
  • Shows all available CPU frequencies
  • Shows total time spent in each processor frequency
  • Highlights active frequency/frequencies the CPU spent in last 1000 ms (1 sec)
  • Hide, show and combine any CPU frequency (MHz)
  • Customizable automatic filter threshold
  • Hide all inactive frequencies at once
  • Nice looking, clean, fast, responsive & intuitive UI (User Interface)

Quick CPU info tool:

  • Detects processor name, governor and CPU core count
  • CPU up-time (time spent while doing work)
  • CPU time asleep / Deep Sleep
  • Minimum-Maximum / High-Low frequencies
  • List of unused processor frequencies (but supported by kernel)

Most of the processors are supported including single-core, dual-core and latest quad-core CPUs; most of the major phone models and brands are supported – Samsung, HTC, Sony Ericsson, LG, Asus, Motorola, Alps, Huawei, Fujitsu, ZTE, Acer, Lenovo, Nvidia, etc.


  • Problem with A1 CPU Tool? Send us your feedback using Send Feedback feature from the Settings screen, or http://a1dev.com/feedback/
  • Inspired from CPU Spy by Brandon Valosek
  • More notes: a1dev.com/cpu-tool/notes/

P.S. This is first public release, and the version number is v0.9.

Screenshots (tap on each to see the full image):

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