The universal tuner for stringed musical instruments is an application for Android devices that allows you to tune a variety of musical instruments, from the six-and-seven-string guitar to the violin and the cello. It is a lightweight, battery-friendly application that does not need any Internet access or any additional hardware or software. It is a free, fully autonomous application that does not need any other applications or plugins.

It is designed to tune musical instruments that use strings, such as the guitar, bass guitar, gusli, balalaika, domra, lute, ukulele, koto, shamisen, violin, viola, cello, doublebass, and others. It can also tune brass instruments, such as the trumpet, and other stringed instruments, such as the bassoon.

It is designed to work with a variety of devices, from mobile devices to desktops, and is optimized for both mobile and desktop platforms.