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SunVox vs Furnace: catalog facts
SunVox	Furnace
Freemium The mobile apps are paid; the desktop versions are downloaded from the developer's site.	Free Free and open source under the GPL.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux
Modular synthesis and tracker sequencing in one small program Runs on many platforms, including old hardware	Supports many classic sound chips in one tracker Compatible with DefleMask modules
Buying the Android version through Google Play is currently blocked Tracker and modular workflow has a learning curve	Tracker interface has a learning curve for newcomers
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.