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AudioRelay vs Audio Sharing: catalog facts
AudioRelay	Audio Sharing
Freemium Free to use, with a paid premium tier.	Free Free and open source under the GPL-3.0-or-later licence.
Windows, macOS, Android	Linux
Works as both a phone microphone and a phone speaker for a PC Wi-Fi or USB connections	Streams system audio with one click QR code makes connecting a phone quick
Needs the app on both the computer and the phone Latency depends on network quality over Wi-Fi	Linux only Infrequent releases; last version dates from 2024
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	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.