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Asset UPnP vs Twonky Server: catalog facts
Asset UPnP	Twonky Server
Paid Paid software with a free trial download.	Paid Paid software; you choose a payment option before downloading.
Windows, macOS, Linux, Self-hosted	Windows, macOS, Linux
Browsing by composer, conductor, style and release On-the-fly transcoding, DSD support and ReplayGain	Works with standard DLNA and UPnP devices Combines media from several devices into one library
Audio only, no video or photos Paid after the trial	Paid, with registration required Limited to streaming inside the home network
Downloadable app, Self-hosted	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
Not stated if an account is needed	Account 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 September 24, 2026

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