UniTuner - Chromatic Tuner app for iPhone and iPad

Features:

• Capo Simulation
Put a capo on your instrument and still get the results youre used to.

• Accurate cent readout with direct feedback.
No more guesswork about reading your tuner from bass to highest note with 1/10th cent accuracy.

• Energy saving mode
The app reduces energy consumption if it has not detected a note for a while.

• Chord Detection
Strum multiple strings at once and get the name of the chord being played. Freeze a root and see the position of a note in the roots chord. Fifth, fourth, minor/major third and so on.

• Audio playback function
Use the sine wave generator to tune your drums or tune your instrument by ear. Detect and play the current note.

• Audio visualization (spectogram)
Get an overview of your instruments harmonic spectrum

• Timeline
Get a visual representation of the pitch in cents of the detected note.

• Adjust the concert pitch
The range is from 400 Hz to 480 Hz.

• Over 140+ tunings for stringed instruments, including:
Guitar, Baritone, Guitar 12-String , Baglama / Saz, Balalaika (Desant, Piccolo, Prima, Secunda, Alto, Tenor, Bass, Contrabass), Banjo, Tenor Banjo, Bass (Doublebass), Bouzouki (trichordo, tetrachordo), Cello, 3-string Dulcimer, 4-string Dulcimer, Violin / Fiddle, Kora, Koto, 4-string Mandobass, 8-string Mandobass, Mandolin, Oud, Pedal steel guitar, Ukulele, Baritone ukulele, Bass ukulele, Soprano ukulele, Vihuela, Viola, Zheng.

• "Perfect 5th" tuning for: Violin, Viola, Cello, Doublebass.

• Choose a tuning for open tunings or historical instruments
Just Intonation, Just Intonation II, Just Intonation (Barbour), Pythagorean, Meantone, Aron, Bach/Klais, Barca, Kellner, Kirnberger II, Kirnberger III, Rameau, Rossi I, Rossi II, Salinas, Silbermann, Vallotti, van Biezen, van Zwolle, Werckmeister III, Werckmeister IV, Werckmeister V, Werckmeister VI, Young I, Young II, Zarlino
or create and save your own custom tunings.

If you like to play in open tunings, try setting the UniTuner to "Just Intonation" and to the fundamental of your tuning and be surprised by the different sound quality of a pure tuning.