A simple, free tuner that works.

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