Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Key+ Screenshots

iPhone

About Key+

Key+ is a handy tool for estimating the musical key of digital recordings and live audio. A must-have for musicians and DJ's, Key+ analyzes audio and returns both the key and it's relative major or minor signature.

What's New in the Latest Version 2.4

Last updated on Feb 24, 2019

Old Versions

*Fixed access to microphone. Sorry!

Version History

2.4

Feb 24, 2019

*Fixed access to microphone. Sorry!

2.3

Feb 23, 2019

*Fixed access to music library. Sorry!

2.2

Jan 4, 2015

*Updated UI

2.1

Jul 5, 2014

*Updated UI for larger iPhone 5 and 5s displays
*Improved key detection algorithm accuracy
*Display the individual notes of the key result scale
*Miscellaneous improvements

2.0

Jan 8, 2013

*Miscellaneous bug fixes and enhancements
*Added archive for saved key results

1.1

Dec 20, 2012

Revised algorithm to improve analysis speed and accuracy.

1.0

Dec 4, 2012

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