Guitar Tuner & Metronome is a perfect tuner that allows you to tune your guitar using your iPhone microphone and accurate pitch detector algorithm.
Guitar Tuner & Metronome is divided into three tabs: GuitarTuner, Metronome and Chords.

Guitar Tuner allows you to tune your guitar for different tuning with a simple interface:
- All notes
- Standard: EADGBE
- Open G: DGDGBD
- Open D: DADF#AD
- D Modal: DADGAD
- Drop D: DADGBE
- Low C: CGDGAD
- All Fourths: EADGCF
- New Standard: CGDAEG
- Eb (flat): EbAbDbGbBbEb

Metronome allows you to mark time by giving a regular sound at selected rate and time. The rate is selected via roller and varies from 20 bpm to 220 bpm.

Chords is a library of guitar chords for your iPhone. It's possible to modify chords library and add new chords with a simple interface.