Easy-to-operate stopwatch.

*Since it can be operated with the volume button, it can be operated without looking.

*You can also use the remote control shutter or the earphone remote control.

*Basic operation is possible only with the volume UP button.
Since it can be reset with a long press, the basic operation of Start / Stop / Reset can be performed even when there is only one button like a remote control shutter.

*Lap times that can be recorded almost infinitely can be transferred in CSV format, making recording convenient.
You can create graphs by reading into Numbers.

[Caution]
・ Depending on the device status, measurement results may contain errors.
・ The volume switch cannot be operated at short intervals of less than about 0.5 seconds.
・ Please check the terms of use (https://ra-labo.com/c-termsofservice.html) before downloading.