8 Stop Watch / Sports timer

I couldn't find a stopwatch that could measure 8 people at the same time, so I made one.
You can choose to display the time in 1/100 seconds, 1/10 seconds, or minutes and seconds.
The screen is simple, and the operation is simple as well.
There is only one operation button, and you can choose from three sizes.
You can change the entire screen to an operation button.
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How to use
Touch the START button to begin measuring.
Touch the STOP button.
Touch the STOP button once for each person running to end the measurement.
If you touch RESET, the display will be reset and the measurement results will disappear.
If you want to change the number of people being measured,
touch 0'00"00 to display the menu, then touch Settings.
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Swimming, track and field, etc.

Official competitions use special equipment to measure, but we created an app as a simple system that can be used by schools, clubs, etc. that do not have special equipment to measure with just a smartphone.

This app has a larger STOP button than any other app.
It is no problem with not being able to measure because finger was in the wrong place.

The biggest weakness of today's smartphones and touch-screen devices is that you can't tell if something is an operation button unless you look at it.
If it's a physical button, you can tell by the feel of your finger, but you can't do that with a smartphone.

That's why we made the STOP button larger than any other app.
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Please use it in school classes and club activities.

Please use it in ways I can't even imagine.