Kennzeichnoid free is an Android app developed by Holger Brinkmann that allows users to quickly and easily search for license plates. The app is free and falls under the Travel & Navigation category. The app is up to date as of August 2014, and includes new countries such as Czech Republic, Romania, Slovenia, Kosovo, Macedonia, and Montenegro.

The app is simple to use. Users can enter the letters of the license plate they are looking for and the app will display the results. Alternatively, users can choose to list all license plates available. Furthermore, the app also allows users to search for international license plates.

Additionally, the app now comes with a quiz mode, which can be a fun activity for children during long drives or travels. Overall, Kennzeichnoid free is a useful app for those who need to quickly find license plates.