Guitar Tuner is Needle-Style Chromatic Tuner App.
With its high accuracy and great functionality GuitarTuner is perfectly suitable solution for brass band or orchestra. With features like a pitch reference tone GuitarTuner packs basic functionality and convenient tuning functions into just one simple app.

Wide Range of Pitch Detection
GuitarTuner app supports a broad range, allowing speedy and high-precision tuning of wind, string, keyboard, and other instruments.
This orchestral tuner is ideal for tuning even low-register notes containing numerous overtones that are often difficult to tune.
Guitar Tuner is small app but it packs the functionality needed for tuning a wide range of instruments.
From studio to stage, tuning is easy and convenient.

Extended Range and Audio Tuning

Sound Out - In addition to visual tuning via meter, the GuitarTuner can play reference pitches for tuning by ear.
Adjustable Calibration - The Calibration function (410-480 Hz) supports a wide range of standard pitches, and can be adjusted in 0.05 Hz steps for accurate and flexible tuning to any song or key.

Online Help Documentation