VLS Logger is a user-friendly amateur radio logbook designed for operators to easily log their QSOs. This application provides essential features such as the ability to export logs to CSV and ADIF formats, along with the option to send ADIF files via the internet. Users can also import logs from ADIF, making it convenient to manage their radio communications. Additionally, the app displays UTC time, the current gridsquare for the user's location, and calculates the distance between gridsquares, enhancing the logging experience.

This app supports various activations, including SOTA, POTA, WWFF, and IOTA, along with contest functionalities. It features a SWL mode for shortwave listening, a callsign lookup tool sourced from HamQTH, and keeps a list of previous QSOs while detecting possible duplicates. With a map feature displaying QSO locations based on gridsquares, VLS Logger is a comprehensive tool for amateur radio enthusiasts.