Introducing Guitar Tuner, from the maker of the popular music app tomChord! What the users are saying: "This is the only chromatic tuner that I tried on here that actually works." - dharris (USA) "Great app, love the noise cancellation thingy and its probably the most accurate tuner on the app store" - Joshua Joe (New Zealand) "Awesome! - One of the best tuners on the app store! Im impressed" - Ybxbmhnjgl (Canada) Guitar Tuner is a chromatic tuner which uses the iPhone/iPod microphone to give you an accurate pitch reading. Features: - works with any instrument! - chromatic: works with any note! - accurate to 0.33 Hz - slider control to filter background noise - fine tuning display with +/- 50 cent range and 2 cent increments - wide range display shows +/- 2.5 semitones with 10 cent increments - extremely fast 0.1 second refresh rate