AP Tuner is a full feature chromatic tuner for your PC. The tuner is responsive and accurate (~0. 1 cents). The software has a detection algorithm to better find low and in-harmonic notes.

AP Tuner is a highly accurate and responsive instrument tuner developed for use with a computer. The application is as simple and functional as possible. The latest version supports an improved detection algorithm for low notes for bass and piano. AP Tuner can now handle custom temperament and stretch tables.

AP Tuner also sports a new "Harmonics Graph" window that has been added to visualize harmonic content over time.