Compare software

Purr Data vs Max: catalog facts
Purr Data	Max
Free Free and open source; the package metadata identifies GPL-3.0-or-later and BSD-3-Clause…	Paid A 30-day full-featured trial is available; continued use requires a purchase.
Windows, macOS, Linux	macOS
Builds programs through visual data-flow diagrams Supports real-time sound, video and graphics	Visual patching for audio, video, and data Supports MIDI controllers and hardware prototyping
Requires learning Pure Data's visual patching approach	Requires a purchase after the 30-day trial A free account is required to start the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later and BSD-3-Clause	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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