Geopaparazzi is a free Android application developed by HydroloGIS S.r.l. It is a tool designed to perform fast qualitative technical and scientific surveys. Despite its primary focus on surveying, it also includes features that can be useful for tourists who want to keep a geo-diary.

The application is user-friendly and offers a range of features such as GPS location, data collection, and offline mapping. The app also allows users to take photos, videos, and audio recordings, which can be linked to the data collected. Geopaparazzi can be used for a wide range of purposes, including geological surveys, environmental monitoring, and wildlife tracking.

Overall, Geopaparazzi is a reliable and efficient tool for anyone who needs to collect data in the field. The official homepage provides extensive documentation, and the blog contains use cases and other information. In case of any issues or if you need help, the mailing list is available for support.