A1 CPU Tool

A1 CPU Tool


(5 stars)


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100,000 - 500,000 downloads

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*** IMPORTANT - IF THIS APP DOES NOT WORK ON YOUR DEVICE, PLEASE DO NOT RATE! It is not supposed to work on every device ***

A1 CPU Tool - free CPU monitor App that shows time the CPU spends in each performance / frequency state. View CPU load from the last boot split by supported CPU frequencies for your Android phone or tablet. Displays time spent in the Deep Sleep, and ultra low frequencies.

★ 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 temperature
• 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)

Quick battery info:
• Battery level +charging +plugged in
• Battery temperature (supports both Fahrenheit and Celsius)
• Battery voltage in mV
• Battery type: Lithium-ion, Lithium polymer, and many more

Quick memory info:
• RAM total size
• RAM cache and free space
• RAM speed (requires A1 SD Bench installed)

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
• “System uptime” usually is a few second off “CPU time in state”
• Needs kernel that supports CPU info file as any other CPU tools
• Root is not required
• More: http://a1dev.com/cpu-tool/notes/

• From the application itself

• Google+: http://a1dev.com/g+

More info on permissions:
• "Internet" is used for “contact us” form, and to collect anonymous usage statistics (can be enabled and disabled).

Tags: set deep aleep cpu 126 mhz.

Recently changed in this version

• New: Shows average CPU usage - with and without sleep (togglable)
• New: Shows least used frequency
• New: Initial support for "Android L (Preview)"; fixes FC
• Fixed: Detail view of frequencies now shows Hz correctly
• Improved: Remembers last opened panel (CPU times / CPU info)
• Improved: For some Intel CPUs, name recognition improved
• Improved: More devices are recognized
• Improved: Misc improvements

Comments and ratings for A1 CPU Tool
  • (72 stars)

    by Kamran Shaikh on 04/07/2014


  • (72 stars)

    by Fabrizzio Petrucci on 23/06/2014

    It shows the CPU temp and other data

  • (72 stars)

    by Tomica K on 23/06/2014

    Excelent aplikation

  • (72 stars)

    by Peter Tičar on 15/06/2014


  • (72 stars)

    by William Landreth on 08/06/2014

    good app

  • (72 stars)

    by Nitish Jadia on 03/06/2014

    Simply awesome app

  • (72 stars)

    by moon filler on 01/06/2014

    Great app.........

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