Deux – Dual Audio Player – lets you sync and mix two songs at once
If you have ever wanted to play two audio tracks simultaneously on your Android smartphone and wondered how you could do it, you can try out XDA Member KHSH01‘s Deux – Dual Audio Player app. The app allows you to play two music tracks in sync, such as a vocal track over an instrumental.
Deux will try to sync the tracks, and it also offers fine-tuning controls for further changing the pitch and playback speed. The app also has other features like 5 band equalizer, Google Assistant support, multiple theme options, and playback controls through earphone buttons. Try out the app to know more!
Note: The app may not be available in regions where streaming apps are popular. The developer states that this is intentional.