The best Audio Router alternative to AudioRelay is Audio Share, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to AudioRelay and seven of them are Audio Routers so hopefully you can find a suitable replacement. Other interesting Audio Router alternatives to AudioRelay are SonoBus, Airfoil, SoundWire and WiFi Audio Wireless Speaker.
Audio Share can share Windows/Linux computer's audio to Android phone over network, so your phone becomes the speaker of computer. (You needn't buy a new speaker😄.).
Audio Share is the most popular Windows, Android & Linux alternative to AudioRelay.
Audio Share is the most popular Open Source & free alternative to AudioRelay.
SonoBus is an easy to use application for streaming high-quality, low-latency peer-to-peer audio between devices over the internet or a local network.
SonoBus is the most popular Mac, iPhone & iPad alternative to AudioRelay.
Send any audio to the AirPort Express. Send any audio to AirPort Express units, Apple TVs, and even other Macs and PCs, all in sync! Airfoil for Mac gives you your audio - everywhere.
SoundWire lets you send any music or audio ("what you hear now") from your Windows or Linux PC to your Android mobile devices.
Utility for turning your Android smartphone or tablet into a wireless speaker.
Name changed and it's filled with ads now, forcing you to pay to remove them. Also something about a bundled forced game in one of the reviews.
WiFi Audio Wireless Speaker is the most popular Android Tablet alternative to AudioRelay.
SoundShare brings seamless audio sharing to macOS, allowing you to connect multiple Bluetooth audio devices and share music, podcasts, or videos with friends.
SoundShare - Audio Sharing is the most popular commercial alternative to AudioRelay.
Redirects and centralizes audio between PCs, enabling sound transfer across network for applications like chat, music, and alerts with easy toggling and up to four shared installations.
United States
Not even close as alternative, Sonobus it's oriented into a Discord-like functionality, AudioRelay shares audio from your PC to your phone, completely different purposes.