Apps like Custom Control App

Here are some great alternatives to Custom Control App by Allen & Heath :
Control Center AI - SkyCenter
Control Center AI - SkyCenter
★4.3
Mixing Station
Mixing Station
★4.6
Mackie Connect
Mackie Connect
★4.3
Volume Control - Volume Slider
Volume Control - Volume Slider
★4.5
Matrio Control
Matrio Control
★4.2
Chk-In Hearing Assist
Chk-In Hearing Assist
★4.2
WING Copilot
WING Copilot
★4.7
X AIR
X AIR
★3.3
M-AIR
M-AIR
★4.3
Volume Style
Volume Style
★4.4
TouchMix-30 Control
TouchMix-30 Control
★4.0
Paradigm Subwoofer Control
Paradigm Subwoofer Control
★3.9
MartinLogan Subwoofer Control
MartinLogan Subwoofer Control
★3.5
Avid Control
Avid Control
★3.6
DM Control
DM Control
★3.9
Sound Devices Wingman
Sound Devices Wingman
★4.0