Apps like Sennheiser Smart Control Plus

Here are some great alternatives to Sennheiser Smart Control Plus by Sonova Consumer Hearing GmbH :
Headphone Control
Headphone Control
★3.8
Volume Control & EQ Boost
Volume Control & EQ Boost
★4.2
Melomania Connect
Melomania Connect
★4.1
Sound Amp: Volume & Bass Boost
Sound Amp: Volume & Bass Boost
★4.4
oraimo sound
oraimo sound
★3.4
Microsoft Surface
Microsoft Surface
★3.6
Hearing Remote: Hear Boost EAR
Hearing Remote: Hear Boost EAR
★4.3
Bluetooth Headphones Booster
Bluetooth Headphones Booster
★4.5
Shokz
Shokz
★4.6
Volume booster For Bluetooth
Volume booster For Bluetooth
★4.3
Sound Booster for Headphones
Sound Booster for Headphones
★4.6
Bose
Bose
★4.3
EarFun Audio
EarFun Audio
★3.3
Jaybird
Jaybird
★3.9
Live Listen: Hearing Aid App
Live Listen: Hearing Aid App
★4.4
Headphone Volume Booster
Headphone Volume Booster
★3.5