C7 GPS Malha is a free Android app developed by Laboratório de Geomática for precision farming. The app is a mobile technology system of the CR Campeiro7 that includes routines for mapping, area calculations, and registration of geographical coordinates of points and polygons in text files. It also allows for structuring and editing of the sampling grid, location of sampling points georeferenced, and recording of qualitative and quantitative attributes in the Sqlite database. With the integration of Google Maps API, users can easily access the location of the sampling points.

The app is user-friendly and has a straightforward interface. The mapping and area calculation features are accurate and reliable. The registration of geographical coordinates of points and polygons is easy and can be done quickly. The app also allows for the creation of a sampling grid, which is a useful feature for precision farming. The integration with Google Maps API is seamless and adds value to the app. Overall, C7 GPS Malha is a useful app for precision farming and is recommended for farmers who want to optimize their farming practices.