: Likely indicates a "Universal" binary (for both iPhone and iPad) compatible with iOS 11.0 and above.

AUM is a professional-grade tool used by musicians as a central hub for routing audio and MIDI between apps. To get it securely:

The text you provided appears to be a specific filename for a pirated or "cracked" version of the app. Because downloading apps from unofficial sources outside the Apple App Store carries significant security risks, it is highly recommended to use the official release from the developer, Kymatica AB . Understanding the Filename

: These versions are often modified (cracked) and may crash or fail to work with modern iOS updates.

: Visit the AUM - Audio Mixer page directly.