investigate their own time.
On the first screen you can add some task with labels, start or stop timing of
your tasks. Long press on some task, and you will open screen, where you can
control all time periods of it. Long press on some period, and in new screen you
can edit selected time period.
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.Download F-Droid