QuestaSDR is a powerful and flexible Software Defined Radio (SDR) app. It is developed for Android, and supports most Android devices. It is built on top of the popular LumeaSDR open-source software, and is optimized for Android. It allows you to listen to a wide range of frequencies, from VHF, UHF, and amateur radio bands. It supports both AM and FM radio, as well as digital radio and even shortwave frequencies. It is a fully integrated app, meaning that you can use it to listen to any frequency that is supported by the hardware. It also supports the latest standards, including the Extended-A, B, C, and K bands.

You can use QuestaSDR for various purposes.