Meu Afinador is a free Android app developed by Darlineudo de Sousa Rocha that allows you to tune your musical instrument on the go. With this app, you can tune your instrument in any tuning, using just your mobile device. Meu Afinador also features a comparison mode, where you can compare the tuning of your instrument with the sound of a properly tuned guitar, and learn the corresponding frequency of each note.

The user interface of Meu Afinador is simple and intuitive, making it easy to use for beginners and experienced musicians alike. The app supports a wide range of instruments, including guitar, bass, violin, ukulele, and many more. Meu Afinador is a must-have app for any musician who wants to keep their instrument in tune on the go.