Calibration of combine harvesters made easy - The "feiffer combine" App is an easy step by step guide to the optimum settings of your combine harvester. It can be done quickly and safely because these setting values are field-tested and have proved to be reliable with expert operators. The distinguishing feature of this App is: It adapts the settings also to throughput and losses. In this way, the combine harvester is always set properly not only at all harvest conditions but also within each performance range. Losses are limited. This App works as follows: You can test a demo-version to see what this App can offer. If it is useful for you, select the type of your combine harvester and download the corresponding App into your smartphone. Please consider that the presentation on Android 2.3.x devices can be restricted.