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Twonky Server vs Asset UPnP: catalog facts
Twonky Server	Asset UPnP
Paid Paid software; you choose a payment option before downloading.	Paid Paid software with a free trial download.
Windows, macOS, Linux	Windows, macOS, Linux, Self-hosted
Works with standard DLNA and UPnP devices Combines media from several devices into one library	Browsing by composer, conductor, style and release On-the-fly transcoding, DSD support and ReplayGain
Paid, with registration required Limited to streaming inside the home network	Audio only, no video or photos Paid after the trial
Downloadable app	Downloadable app, Self-hosted
Closed source	Closed source
License: Proprietary	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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