This is an image of Otreus, a maker of the best music apps for iOS

About Otreus

Otreus is a small software design and development company based in Los Angeles California. We are passionate about all aspects of music, and are focused on creating innovative state-of-the-art software for musicians of all levels.


We are the makers of acclaimed hit apps StudioMini® and StudioMini XL™ for iPhone and iPad. Our newest app, VITALtuner™, redefines the tuning of musical instruments on mobile devices.

Contact us