This application allows you to perform a punctual overtime monitoring the extension of the wall crack. The application allows, after acquiring the readings, to compare and catalogue them in a summary chart. The final chart lets you express the trends overtime of the monitored damage extension. Readings can be combined with gps coordinates and with a local temperature of the moment of acquisition of measures. The application also allows you to manage multiple cracks and its data base, to create multiple charts and send a summary report.