Professional users and reviewers consistently describe AUM as an "indispensable" and "top-notch" tool for mobile music production. AUM - Audio Mixer for iPhone - App Download - AppBrain

Using existing music can be a copyright minefield, so using royalty-free music already supplied by Instagram is the safest choice. GarageBand

Includes Ableton Link for playing in time with other apps and devices. The Risks of "Cracked" IPA Files

Apple actively revokes the enterprise certificates used to sign pirated apps, meaning a cracked version could stop working at any moment , potentially losing your project data. Why AUM is Worth Purchasing

iOS music apps frequently go on sale during Black Friday, the holidays, or "App Santa" events.

If you’re interested in AUM - Audio Mixer (a legitimate iOS app by Kymatica for audio routing, mixing, and recording), I’d be glad to help with: