We have introduced a few nice time management apps, but if you want to detailedly know those completed tasks that you have done in a day, the OneThing Pomodoro timer may be more suitable for you.
OneThing is an easy-to-use Pomodoro timer designed for iPhone. The iPhone app sports a minimal and elegant user interface along with seven optional color themes. Just tapping the circular button, you can start the starter, and the “1” lets you change the name of your task. When timer ends, you have 5-minute rest. Of course, you can also set your task time and break time, moreover, built-in calendar shows you detailed task info.
OneThing is available for free at present. If you need it, head to App Store for download.