What's New

Fix bugs
improve tuner

App Description

What People Say

We think you'll love C Tuner - The accurate and easy-to-use tuner for guitar, bass, ukulele, violin and pipe, just like these lovely people...

"This is an amazing tuner. I play a several instruments and this tuner works well with all of them. It's not only the least expensive tuner I have ever owned, it's the best. Super accurate and user friendly and so handy right on my phone!" by Monkeyman John

"This is a great tuner. Convenient, clear accurate, useful for more than one instrument: I use it all the time." by H.C. Carey

"I set my iPhone on my bass bridge then tune each sting quickly and precisely. Functions well even with Background noise." by 01dclem

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C Tuner is a chromatic instrument tuner and tone generator that allows you to quickly and accurately tune your instrument using the built-in mic in your iPhone or using an external mic on your 2nd or 3rd generation iPod Touch, also, If you want to tuning lower pitch or shorter pitch in any environment, you can use our tools for iPhone tuner. you will find our tuner is do for all of the Instrument.

C Tuner can tune acoustic or electric guitar, bass, bowed strings, woodwinds, brass, piano, tympani, tablas and any other instrument.tuner star pro is not only a tuner with chromatic, It have four instrument mode: guitar tuning / ukulele tuning / violin tuning / ukulele tuning, each instrument with several tuning modes, It help you easier to tuning.

function list:
Pro chormaitc tuner :
*Note display
Rang : C0~C8
*Transposition : -11~+11
*A4 adjustable
*Cents display
* instument list:
concert instrs
Alto Flute(G)
English Horn
Eb Clarinet
Bb Clarinet
A Clarinet
Bass Clarinet
Soprano Sax
Tenor Sax
Baritone Sax
Bb Trumpet
French Horn

*Tone generator
Rang: C0 ~C8
Tone instrument: Saw wave/Square wave/piano/guitar/saw wave/sax/english Horn

String tune:
instrument String display
A4 Adjustable
Auto or manual select string for tune
Finish tune note
String Note display

string instrument list :
*6-string guitar
General Tunings
Lower Tunings
Higher Tunings
Dropped Tunings
Double-dropped Tunings
Major Open Tunings
Minor Open Tunings/Cross-note Tunings
Modal Tunings
Miscellaneous Tunings
*5 String Tunings
*7 String Tunings
*8 String Tunings
*4-String Bass Tunings
*5-String Bass Tunings
*6-String Bass Tunings
*Ukulele Tunings
*8-String Ukulele Tunings
*6-String Ukulele Tunings
*5-String Ukulele Tunings
*Violin Tunings
*Viola Tunings
*Cello Tunings
*Bass Tunings
*Mandolin Tunings
*Banjo Tunings
*4- String Banjo Tunings
*Bouzouki Tunings
*6- String Bouzouki Tunings

Metronome:
*Tempo Rang:10~400 /10~800
*Subdivision adjustable
*Accent presets
*Accent setting
*tap in function
*Accents setting
*Background play
*LED flash
*Vibration
*Full screen Flash
Acent voice freedom setting by drums sound
FEATURES
- Support all Transposition: Chromatic Ckey/Ebkey/Fkey/Bbkey/ ...
- For dedicated instrument tuning: guitar/bass/Ukulele/violin
- Subwoofer calibration: G0 (24.5HZ, 20HZ following sound undetectable)
- Accuracy: ± 0.1 cent
- Flat Tuning
- Tone Generator

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Thanks very much for the advice by Ekdenton, we fixed the bug.

iPhone Screenshots

(click to enlarge)

Chromatic tuner and metronome screenshot 1 Chromatic tuner and metronome screenshot 2 Chromatic tuner and metronome screenshot 3 Chromatic tuner and metronome screenshot 4 Chromatic tuner and metronome screenshot 5

iPad Screenshots

(click to enlarge)

Chromatic tuner and metronome screenshot 6 Chromatic tuner and metronome screenshot 7 Chromatic tuner and metronome screenshot 8 Chromatic tuner and metronome screenshot 9 Chromatic tuner and metronome screenshot 10

App Changes

  • April 16, 2012 Initial release
  • May 16, 2012 New version 1.0.1
  • May 16, 2012 Price decrease: $1.99 -> FREE!
  • May 26, 2012 Price increase: FREE! -> $2.99
  • May 29, 2012 Price decrease: $2.99 -> FREE!
  • June 01, 2012 New version 1.1.0
  • June 01, 2012 Price increase: FREE! -> $2.99
  • June 02, 2012 Price decrease: $2.99 -> $0.99
  • June 08, 2012 Price increase: $0.99 -> $2.99
  • June 11, 2012 Price decrease: $2.99 -> $0.99
  • June 23, 2012 Price increase: $0.99 -> $1.99
  • June 24, 2012 Price decrease: $1.99 -> $0.99
  • June 25, 2012 Price decrease: $0.99 -> FREE!
  • June 26, 2012 Price increase: FREE! -> $0.99
  • July 02, 2012 Price increase: $0.99 -> $2.99
  • July 03, 2012 Price decrease: $2.99 -> $0.99
  • July 11, 2012 Price increase: $0.99 -> $2.99
  • July 13, 2012 Price decrease: $2.99 -> $0.99
  • July 14, 2012 New version 2.0.0
  • July 20, 2012 Price increase: $0.99 -> $2.99
  • July 21, 2012 Price decrease: $2.99 -> $1.99
  • July 23, 2012 Price decrease: $1.99 -> $0.99
  • July 27, 2012 Price increase: $0.99 -> $1.99
  • August 02, 2012 Price decrease: $1.99 -> $0.99
  • August 10, 2012 Price increase: $0.99 -> $1.99
  • August 12, 2012 Price decrease: $1.99 -> $0.99
  • August 15, 2012 New version 2.1.0
  • August 25, 2012 Price increase: $0.99 -> $1.99
  • September 02, 2012 Price decrease: $1.99 -> $0.99
  • September 07, 2012 Price increase: $0.99 -> $3.99
  • September 11, 2012 Price decrease: $3.99 -> $1.99
  • September 13, 2012 New version 2.2.1
  • September 20, 2012 Price increase: $1.99 -> $3.99
  • September 21, 2012 Price decrease: $3.99 -> $0.99
  • October 01, 2012 Price increase: $0.99 -> $3.99
  • October 06, 2012 Price decrease: $3.99 -> $1.99
  • October 21, 2012 Price increase: $1.99 -> $3.99
  • November 06, 2012 Price decrease: $3.99 -> $1.99
  • November 15, 2012 Price increase: $1.99 -> $3.99
  • November 19, 2012 Price decrease: $3.99 -> $0.99
  • December 31, 2012 Price increase: $0.99 -> $3.99
  • January 19, 2013 New version 3.0.0
  • January 31, 2013 New version 3.0.1
  • March 15, 2013 Price decrease: $3.99 -> $0.99
  • March 19, 2013 Price increase: $0.99 -> $3.99
  • April 18, 2013 Price decrease: $3.99 -> $1.99
  • April 26, 2013 Price decrease: $1.99 -> $0.99
  • May 01, 2013 Price increase: $0.99 -> $3.99
  • May 20, 2013 New version 3.1.0
  • June 18, 2013 Price decrease: $3.99 -> $0.99
  • June 23, 2013 Price increase: $0.99 -> $3.99
  • August 19, 2013 Price decrease: $3.99 -> $1.99
  • August 27, 2013 Price increase: $1.99 -> $3.99
  • August 31, 2013 New version 3.2.0
  • November 03, 2013 Price decrease: $3.99 -> $1.99
  • November 10, 2013 Price increase: $1.99 -> $3.99
  • December 19, 2013 New version 3.3.0
  • January 04, 2014 New version 3.3.1
  • March 18, 2014 Price decrease: $3.99 -> $0.99
  • March 22, 2014 Price increase: $0.99 -> $3.99
  • September 19, 2014 New version 3.4.0
  • September 20, 2014 Price decrease: $3.99 -> $1.99
  • October 06, 2014 Price increase: $1.99 -> $3.99
  • October 21, 2014 New version 3.5.0
  • June 14, 2019 New version 4.02
  • June 14, 2019 Price increase: $3.99 -> $6.99
  • June 14, 2019 Price increase: $3.99 -> $6.99
  • June 15, 2019 Price increase: $3.99 -> $6.99
  • June 15, 2019 Price increase: $3.99 -> $6.99
  • June 15, 2019 Price increase: $3.99 -> $6.99
  • June 17, 2019 Price increase: $3.99 -> $6.99

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