Privacy Policy

Last updated: October 18, 2026

DJ Pro 4 iRoll is developed by Roman Motornyi (“we”). DJ Pro 4 iRoll does not collect, store or transmit any personal data.

What the app uses

Your music library — music files and DJ libraries you choose are read to analyze tracks and draw waveforms. Analysis results are cached on your Mac.
MIDI controllers and audio interfaces — used to control the decks and play sound. Controller mappings are stored on your Mac.
Library export — Engine DJ and rekordbox databases are written only to the location you choose.
Settings — stored on your Mac only.

DJ Pro 4 iRoll has no accounts, no analytics, no advertising and makes no network requests.