FreqFinder by NewEndian is a utility tool designed for iPhone users who work with transmitters from brands like Lectrosonics, Sennheiser, Zaxcom, and Comtek. This program calculates the intermodulation products of user-entered transmitter channels, providing suggestions for compatible channels based on existing transmitters in use. It is recommended for systems withtransmitters, depending on the processing power of the iOS device and transmitter spread. Additionally, it offers integration with LectroRM app for convenient channel storage and changing for Lectrosonics users.

For U.S. customers, there is a TV Database Add-on available for $15, granting access to the FCC database for TV broadcast towers. This feature estimates the field strength at any configured location in the U.S., facilitating better channel selection. FreqFinder by NewEndian aims to streamline the process of managing transmitter channels and ensuring compatibility for seamless operations.