Smart Piano Tuner is a free Android application designed by Xiaobar under the multimedia category. It is an excellent tool for tuning your musical instruments with ease and accuracy. The app is compatible with Android 4.3 and above.

The Smart Piano Tuner offers a simple and user-friendly interface that allows you to select a tone and tune your instrument. The app provides you with a visual representation of the pitch of your instrument, and when it matches the note you have selected, the color of the panel will turn green. With this app, you can tune your piano, guitar, violin, and other musical instruments in seconds, and it is an excellent tool for both beginners and professionals.