Trimble Penmap for Android is a cloud-connected mobile application designed for cadastral field surveying and high-accuracy GIS data collection. It combines core survey functionality with GIS data collection capabilities in a single, intuitive map-based interface, simplifying tasks such as entering and managing features and attributes. The application supports real-time GNSS corrections, including RTK, VRS, Trimble RTX, and the Trimble Catalyst positioning service, ensuring high-precision data capture. Seamless synchronization with the Trimble Connect platform facilitates efficient data transfer between field and office environments. Penmap is compatible with various Trimble GNSS systems, including the Trimble R12i, R12, R2, and the subscription-based Trimble Catalyst service, offering flexibility across different field devices. The software is designed to run on Android devices, providing a versatile solution for professionals requiring reliable and accurate field data collection.