From Tom Hoddes:
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 it's probably the most accurate tuner on the app store" - Joshua Joe (New Zealand). "Awesome. One of the best tuners on the app store. I'm 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.