The system App https://gis.cmfonline.net/ allows users (COMIFO technicians, users of the Public Administration or of authorized bodies) to consult directly in the field, via a smartphone, all the cartographic and alphanumeric data, relating to topics of irrigation interest made available by the Federation. The App allows cartographic navigation, layer display, but also the modification and entry of surveyed data, even in the absence of a data connection (offline operation)