Compare software

Qtractor vs Helio: catalog facts
Qtractor	Helio
Free Free and open source under the GPL version 2 or later.	Free Free and open source under the GPL-3.0.
Linux	Windows, Linux, Android, iOS
Combined audio and MIDI multitrack recording Familiar tape-recorder style workflow	Support for exotic scales and microtonal temperaments Minimal, distraction-free interface
Linux only Depends on JACK and ALSA setup	Less conventional workflow than mainstream DAWs Focused on sequencing rather than audio recording
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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