Backtrack is described as 'Lets you record all those conversations, calls, and brainstorming sessions that you forgot to click the record button for' and is a Audio Recorder in the audio & music category. There are more than 10 alternatives to Backtrack for a variety of platforms, including Mac, Windows, Linux, Android and Flathub apps. The best Backtrack alternative is Audio Hijack. It's not free, so if you're looking for a free alternative, you could try Audiosdroid Audio Studio DAW or Piezo. Other great apps like Backtrack are Total Recorder, Sound Siphon, AudioDirector and Microncode Audio Tools.