Crew rest in the tropopause. ZzTrop computes rest periods based on several patterns for both cockpit and cabin crew. Do not hesitate to submit your own specific pattern if none suits your needs. If you encounter any software crash, or technical problem, send me an email with as much details as possible. ZzTrop is Free and open source software.
Cyril REAL is the developer of ZzTrop which can be found in the Productivity category. Over 10K users installed the tool and the most recent update was released on Sep 1, 2015. According to the latest data, this application is rated 4.7 on Google Play.
Download the free installation package of ZzTrop 1.53 and read users' reviews on Droid Informer. The app runs on Android devices 1.6 and higher. The app is totally secure to download.
As users indicate, this application possesses such a benefit as an intuitive interface.