rentmaxx Z-Value is a free Android application developed by digiCOM IT-Solutions GmbH & Co. KG that allows skiers to calculate the initial setting value (Z-Value, DIN setting) for their ski bindings using the weight method (ISOThe app lets users input their body weight in kilograms, pounds, or stones, and their body height in centimeters or feet.

The app is easy to use and provides a quick way for skiers to determine the initial setting value for their ski bindings. However, it's important to note that the calculated Z-Value is only an initial setting value for the binding adjustment. The correct setting of ski bindings can only be guaranteed with proper testing using a binding inspection device. Overall, rentmaxx Z-Value is a useful tool for skiers who want to ensure that their ski bindings are set up correctly.