4Pockets Chromatic Guitar Tuner - Version 1.0 4Pockets Guitar Tuner is a high precision real-time guitar tuner for your PC and Pocket PC. The tuner can accurately determine the frequency, musical note and octave for each of your guitar strings. The ability to estimate note and octave makes this a very useful tool to aid musical notation.The program incorporates harmonic error correction technology and the ability to compensate for notes played in wrong octave, allowing you to tune using either open strings or harmonics.Package includes PC and Pocket PC Versions.