aStopwatch - an elegant stopwatch application

    Click here to download aStopwatch free of charge.
  • Shows time with the animated big digits.
  • Provide digits themes for users to select.
  • Unlimited split and lap times.
  • Run in background without consuming the battery power.
  • Accuracy to 0.001 of a second.
  • Support pause and resume.
  • Option to turn off the auto screen-off function.
  • Export the time log to SD card, clipboard, or email to someone.
  Supported OSs
  • Android compatible device.
  User's Manual
Start aStopwatch

Tap the Start button to start stopwatch

Tap the Lap button to record the current time and without stopping the counting.

Tap the Pause button to pause the counting.

To stop the stopwatch, you can tap the Stop button.

The timer area shows the total time (the time since start stopwatch) by default. It can also show the last lap time. Please tap the timer area to switch the display mode.

Menu commands

More menu commands will be explained below.

  • Export logs
    Export the elapsed and lap time logs to SD card, clipboard, or email to someone. If you export the logs to the SD card, it will be saved to /aStopwatch directory of the SD card.
  • Settings
    Stay on when running: Don't turn off screen when aStopwatch is running.

  Release Note
  • 1.33 - released on Nov. 10, 2010 Download
    • auto export logs at stop. Also add a new preference option to disable it
    • vibrate when you tap the control buttons
    • remove question box when saving the log
    • fix minor problems
  • 1.32 - released on September 5, 2010
    • fixed the problem of failing to install for some devices
  • 1.31 - released on May 26, 2010
    • support 2.2 (Froyo)
    • enable the function of move app to SD
    • remove unnecessary required permissions
  • 1.30 - released on Apr 23, 2010
    • support digits themes
    • auo log the last lap time whne you tap the stop button
  • 1.24 - released on Oct 26, 2009
    • fixed the problem of not showing on QVGA devices's Market
  • 1.23 - released on Oct 18, 2009
    • support QVGA devices
  • 1.22 - released on Sep 24, 2009
    • show with clear LED font.
    • support OS 1.6 (Donut)
  • 1.21 - released on Sep 19, 2009
    • show with big font.
  • 1.20 - released on May 20, 2009
    • upgrade to this version will reset current stopwatch and logs.
    • tap timer area to toggle the mode of showing either "total time" or "last lap time".
    • accuracy to 0.001s.
    • added the option to disable the auto screen off function.
  • 1.10 - released on May 11, 2009
    • enable users to tap timer area to record the current time
    • show start & stop time in 1/100th of a second.
    • add "Reset" button in stop mode.
    • no "Start" button after rebooting the phone.
  • 1.00 - released on Apr. 7, 2009
    • first release.
To get the latest version, please visit If you find any incorrect information, please also e-mail your problems to