Relo Music Instrument 4+

RELATIVE music instrument

Anton Lastochkin

Designed for iPad

    • Free



All music instruments are absolute pitch: every key / fingering always corresponds to a certain note. Relo is the world's first relative pitch instrument, where each key indicates how the next note should change compared to the previous note. This is more natural and more intuitive for most people.

It's simple: the right side (red) increases the pitch, the left side (blue) - decreases the pitch. The deeper the color, the higher is the interval.

Relo includes a game mode - to learn the instrument in a fun way, and an improvisation mode, where one can pick a voice, an accompaniment, a scale mode (chromatic, heptatonic, pentatonic, blues) and start improvising!

In heptatonic, pentatonic and blues modes any note you press is automatically within the scale to make sure there is no dissonance, so that you can relax and enjoy your own improvisation like a real music professional!

The accompaniment can be either a chords sheet (you can input it manually or using the iReal format) or an audio file with an SRT subtitles file (each subtitle line is a chord in the iReal notation).

What’s New

Version 1.0.5


App Privacy

The developer, Anton Lastochkin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


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