Apps like Volume Manager

Here are some great alternatives to Volume Manager by Craddy Software :
Volume in notification bar
Volume in notification bar
★4.1
Volume Control
Volume Control
★4.6
Volume Booster - Music Player
Volume Booster - Music Player
★4.6
Volume Ace Pro
Volume Ace Pro
★4.0
Quick Volume Control
Quick Volume Control
★4.1
Audio Profiles Volume Control
Audio Profiles Volume Control
★3.5
Volume Styles - Custom Control
Volume Styles - Custom Control
★4.3
Volume Booster Pro
Volume Booster Pro
★4.6
Volume Booster
Volume Booster
★4.6
Volume Control
Volume Control
★4.0
Volume & Brightness Control
Volume & Brightness Control
★4.4
Custom Mobile Volume Control
Custom Mobile Volume Control
★4.0
Volume Control - Bass Speaker
Volume Control - Bass Speaker
★4.5
iCenter OS 17: X - Volume
iCenter OS 17: X - Volume
★4.0
Volume Control Widget
Volume Control Widget
★3.7
Bluetooth volume controller
Bluetooth volume controller
★4.3