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Audio Sharing vs AudioRelay: catalog facts
Audio Sharing	AudioRelay
Free Free and open source under the GPL-3.0-or-later licence.	Freemium Free to use, with a paid premium tier.
Linux	Windows, macOS, Android
Streams system audio with one click QR code makes connecting a phone quick	Works as both a phone microphone and a phone speaker for a PC Wi-Fi or USB connections
Linux only Infrequent releases; last version dates from 2024	Needs the app on both the computer and the phone Latency depends on network quality over Wi-Fi
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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