GuitarTuna is the leading music app and chord library, proudly developed by a talented team of over 100 musicians and audio engineers in Helsinki and Berlin. With more than 100 million downloads, GuitarTuna is recognized for its exceptional mobile tuner, making it the most popular tool for musicians globally. The app features an expansive catalog of over 500,000 songs, growing towards a million, providing users with comprehensive access to chords, tabs, and lyrics for their favorite tracks across multiple genres.

The app supports a variety of instruments, including guitar, ukulele, bass, violin, and mandolin, and offers features such as a chord finder, metronome, and ear training tools. Every transcription is crafted by professional musicians, ensuring a high accuracy rate and tailored content for both beginners and advanced players. GuitarTuna's mission is to simplify the learning process and encourage more people to play music, backed by years of research and a commitment to quality, making it an essential resource for musicians of all skill levels.