Apps like Volume Limiter, Volume Lock

Here are some great alternatives to Volume Limiter, Volume Lock by Captain Neoguri :
EdgeSlider Pro (V+B control)
EdgeSlider Pro (V+B control)
★4.0
Volume Lock
Volume Lock
★3.6
Volume Lock Pro
Volume Lock Pro
★4.3
Volume Control & Lock and Mute
Volume Control & Lock and Mute
★3.8
Volume Booster
Volume Booster
★4.5
Volume+: Volume Booster, Sound
Volume+: Volume Booster, Sound
★4.6
Volume Booster Pro
Volume Booster Pro
★4.6
Volume Control & Volume Lock
Volume Control & Volume Lock
★3.8
Volume Booster - Loud Speaker
Volume Booster - Loud Speaker
★4.8
Volume & Brightness Control
Volume & Brightness Control
★4.4
Quick Volume Control
Quick Volume Control
★4.1
iCenter OS 17: X - Volume
iCenter OS 17: X - Volume
★3.9
Super Ultimate Volume
Super Ultimate Volume
★4.1
Total Volume Booster
Total Volume Booster
★4.8
Super Volume Booster
Super Volume Booster
★4.4
Volume Control Style - Custom
Volume Control Style - Custom
★3.5