LogoWhether you have sung “Do-Re-Mi” while watching a musical or learned to sing in music classes, you were practicing “scales.” Scales, or singing a series of notes in a particular order, is a common training practice for voice musicians.

Usually, practicing scales involves someone playing the notes on a piano or other instrument. While this might sound straightforward, carrying an instrument around isn’t always practical. Having an app to practice scales any time would be very helpful.

Understanding this need, Christian Savalas wanted to create the best voice training app for both iOS and Android. So, he built SWIFTSCALES using Corona SDK!

The app features an innovative and flexible design that allows the singer to use common scales or construct their own. Anyone, from a beginner to the most seasoned performer, can use the app to practice and warm up their voice.

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SWIFTSCALES is available for free in both the App Store and Google Play. A $1.99 in-app purchase unlocks extended features and removes advertising in the app. This is a great example of a powerful utility app built with Corona SDK.


Corona SDK can be used to develop countless great apps. Imagine what you might build!

Rob Miracle

Rob is the Developer Relations Manager for Corona Labs. Besides being passionate about helping other developers make great games using Corona, he is also enjoys making games in his spare time. Rob has been coding games since 1979 from personal computers to mainframes. He has over 16 years professional experience in the gaming industry.

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