Apps like Marshall Multi-Room

Here are some great alternatives to Marshall Multi-Room by Marshall Group AB :
Juke Audio
Juke Audio
★3.7
ESPN 94.1 FM & AM 930
ESPN 94.1 FM & AM 930
★3.6
Bluetooth Speaker Switch Basic
Bluetooth Speaker Switch Basic
★4.2
Bluetooth Speaker Switch
Bluetooth Speaker Switch
★3.5
MusicCast Controller
MusicCast Controller
★4.5
Phorus
Phorus
★3.9
AirPlay Multiroom by WHAALE
AirPlay Multiroom by WHAALE
★3.3
JENSEN WI-FI AUDIO
JENSEN WI-FI AUDIO
★3.2
WING Copilot
WING Copilot
★4.5
Wireless Audio-Multiroom (Tab)
Wireless Audio-Multiroom (Tab)
★3.3
Torpedo Wireless Remote
Torpedo Wireless Remote
★3.4
PRX Connect
PRX Connect
★3.5
Teufel Raumfeld
Teufel Raumfeld
★3.4
WiiM Home
WiiM Home
★3.7
Musicbox - AI Equalizer
Musicbox - AI Equalizer
★3.8
Matrio Control
Matrio Control
★3.9