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SideDeck vs VirtualDJ: catalog facts
SideDeck	VirtualDJ

Best for: Hobby DJs mixing on an Android phone or a small USB mixer	Best for: DJs who want to mix live with separated vocals and instruments
Free Free and open source with no subscription or premium tier.	Free + paid options Free to download and try, with a paid licence available.
Android	macOS
Dual decks for mixing local files Streams from a Subsonic music server Works with USB mixers such as the EP-136 K.O. Sidekick No paywall or subscription	Real-time stem separation on any track Suits beginners as well as professional DJs Free to download and try
Android only Young project with a small user base	Advanced use requires a paid licence Stem separation needs a reasonably modern computer
Downloadable app	Downloadable app
Open source	Not open source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for SideDeck github.com/manueljpy/SideDeck f-droid.org/packages/es.manifold.sidedeck Catalog checked October 2, 2026	Official website Full listing and sources Sources for VirtualDJ virtualdj.com Catalog checked October 1, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.