Bad Elf Flex is a free companion utility app designed for GIS and survey professionals to work seamlessly with the Bad Elf Flex and Flex Mini GNSS receivers. These receivers connect to iPhones or iPads via Bluetooth, providing high-accuracy location data for various field data collection apps. The app allows users to monitor the hardware's health, modify settings, and update firmware, enhancing the overall functionality of the receivers.

For Bad Elf Flex users, the app facilitates the purchase and loading of Flex Tokens to access hardware-specific features and correction sources such as SBAS, RTK via NTRIP, and Atlas (L-band) satellite corrections. It offers comprehensive support for different correction sources, catering to a wide range of professional needs.