Oud Tuner is a free Android app developed by KME Software. It falls under the category of Multimedia, specifically Music & Radio. This app is designed to help musicians tune their Arabic and Turkish Oud instruments. It offers 15 different tuning modes for users to choose from.

One of the main features of Oud Tuner is its noise filtering capability, which allows users to tune their strings with ease. By selecting the desired frequency and tuning on the screen, users can pull the string and see the pitch displayed on the panel. The app indicates whether the pitch is high or low, helping users adjust the string accordingly.

The app also includes a function for calibrating the sound with the instrument. Users can click on an open string and calibrate the sound to ensure accuracy. The scale for precision tuning is divided into 10 quantiles for every sub-bit, with a brown line representing the open strings. The app visually indicates whether the pitch is accurate or not, lighting up green or white. Users can easily adjust the string based on the lighting arrow shown on the scale.

In addition to the tuning features, Oud Tuner also includes a metronome function. The operation screen is intuitive and easy to use, allowing users to set all functions on the same page. There are 18 different beat modes to choose from, ranging from Grave to Prestissimo. The app also supports segment beat function and pendulum display mode, providing users with a comprehensive tool for timing and controlling their practice sessions.

Overall, Oud Tuner is a useful app for musicians who play Arabic and Turkish Oud instruments. With its various tuning modes and metronome function, it provides a convenient tool for musicians to fine-tune their instruments and improve their practice sessions.