With Wait Timer you can estimate your queue time with three simple steps. Firstly, count or guess the number of people waiting in front of you and enter it in the app. Then, press the TAP key every time, a person is served a the queue exit. After three taps the Wait Time app gives you an estimate of your waiting time. You can press the TAP key at any time again to update the service rate. The App is available in German, English, French and Italian laguage.