Apps like Hi-FLY

Here are some great alternatives to Hi-FLY by Dayton Audio :
Wireless Audio-Multiroom (Tab)
Wireless Audio-Multiroom (Tab)
★3.4
MusicCast Controller
MusicCast Controller
★4.5
Bluetooth Speaker Switch Basic
Bluetooth Speaker Switch Basic
★4.2
Bluetooth Speaker Switch
Bluetooth Speaker Switch
★3.5
Phorus
Phorus
★3.8
Teufel Raumfeld
Teufel Raumfeld
★3.3
WiiM Home
WiiM Home
★3.9
AirPlay Multiroom by WHAALE
AirPlay Multiroom by WHAALE
★3.4
BluOS Controller
BluOS Controller
★4.4
DTS Play-Fi™
DTS Play-Fi™
★3.2
Dish Music
Dish Music
★3.8
CasaTunes Gen2 Home Audio Ctrl
CasaTunes Gen2 Home Audio Ctrl
★4.0
Offline Music Player- Weezer
Offline Music Player- Weezer
★3.9
JBL One
JBL One
★4.4
WAE Music
WAE Music
★3.7
Ultimate Music Player - Pro
Ultimate Music Player - Pro
★4.1