Left Right Stereo Test is an Android app that is developed to help you test your earbuds, headphones, or speakers.

It is incredibly simple to use. All you have to do is connect your headphones and click the button in the app. If you need a hands-free option, there is also a repeat button available. Additionally, it comes with a home screen widget for even quicker one-tap use.

One of the best things about Left Right Stereo Test is that it doesn't require any special permissions. It is a small, straightforward app that does one thing and does it well. Plus, it's completely free and will never use ads.