Timering hamburger

That you see is the hamburger menu of the Timering app. It opens the customisation panel, where you can select the sound scheme and the visual themes.

Timering is an activity timer for iOS. By Timering you can save and repeatedly use your countdown and stopwatch results to improve your daily routines, learning, work and sports performance.

App Store
https://itunes.apple.com/app/timering-countdown-stopwatch/id1175068774?mt=8
Site:
http://www.timeringapp.com/