Use APKPure App
Get FireYak-Hydrants old version APK for Android
Find hydrants quickly or add new ones.
The map is GPS-controlled and the current position is displayed, so you can quickly find hydrants or a water sampling point nearby.
With this app you can also add new hydrants to the www.openfiremap.org
The data of the hydrants and water sampling points are obtained from www.openfiremap.org.
The map data from www.basemap.at and www.openstreetmap.org.