Tuner - Pitch Detector Free is a precise software implementation of a chromatic tuner for Android devices. With the ability to measure the pitch of recorded sound up to 10 times a second, this app is an excellent tool for musicians and music enthusiasts alike.

One of the key features of Tuner - Pitch Detector Free is the ability to adjust the reference frequency (a') in the range of 400 to 500 Hz. Additionally, users can select one of four musical notation systems and adjust the brightness of the display to save battery life.

It should be noted that the free version of this app may occasionally display a popup-window with a link to the popup-free version. The system requirement for Tuner - Pitch Detector Free is sound recording with a sample rate ofHz.