A Chromatic Multi-Temperament Instrument Tuner: - Use your computer as an advanced instrument tuner. - Works with almost any instrument. - Short response time! - Range: 9 octaves, C1 to C10. - Precision: Better than 0.1 Hz up to ~C8. - Supports more than 30 different temperaments, from historic tunings such as pythagorean, meantone, just, or well tempered tunings, to the modern day equal temperament tuning. - You can select the root key for all tunings as well as add octave stretching if you want! - You can add your own custom scales and temperaments! - Automatic or manual note selection modes. - Reference tone option. - 'Beat tone' option - tune without looking at the computer screen! - Easily readable tuning meter. - Full screen mode option. - ‘Report’ feature – create a table of measurement values (useful for instrument makers). - 'Power button' makes it easier to share the 'audio input' with other apps. - ‘Power save’ mode conserves battery power on portables. - Optional real-time spectrum analyzer graph. - Note hold time control - good for instruments that produce very short tones. - Optional calibration of input noise level, microphone type and low frequency filtering. - Use the internal clock or calibrate the pitch to an external reference source. - Optional MIDI input: Selecting notes from a keyboard (in 'manual mode'). - Optional MIDI output: Send the detected note to a synth. - And more! Download it and check it out!