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App power index: 120 (based on ranks around App Stores today)
Utilities Music
Developer: Kouichi INAFUKU
Price: 0 free
Current version: 1.1, last update: 7 years ago
First release : 08 Sep 2011
App size: 1.05 Mb
4.9 ( 9139 ratings )
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Estimation application downloads and cost

> 2.64k
Monthly downloads
~ $ 1.08k
Estimation App Cost


It is an application program that confirms the right and left of the headphone.
The sound of feep becomes from a right headphone (The left is silent).

The headphone (earphone) as which right and left shape is the same
It is necessary to confirm the character printed in the headphone and to install it.

If this application program is used, the right and left can be easily distinguished even if the headphone is not seen.

・When the headphone is not connected, the sound doesnt become it.
・The warning display is done when the volume is small.
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Available in countries
Country Price
Canada free
China free
France free
Germany free
Italy free
Netherlands free
Portugal free
Spain free
Poland free
UK free
India free
Japan free
Korea, Republic Of free
Poland free
Russia free
Turkey free
USA free
Korea, Republic Of free
Ukraine free
Available for devices
iPodTouchSecondGen, iPhone3G, iPhone3GS, iPadWifi, iPad3G, iPhone4, iPodTouchThirdGen, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,