Apps like MP3 Audio Gain and Equalizer

Here are some great alternatives to MP3 Audio Gain and Equalizer by palcoder :
MP3 VOLUME BOOSTER GAIN LOUD
MP3 VOLUME BOOSTER GAIN LOUD
★3.8
Volume Booster - Equalizer Pro
Volume Booster - Equalizer Pro
★4.7
MP3 Music Amplifier & Booster
MP3 Music Amplifier & Booster
★3.9
Music - Equalizer & Mp3 Player
Music - Equalizer & Mp3 Player
★4.4
Sound Booster・Increase Volume
Sound Booster・Increase Volume
★4.6
Music Player - Audio Player
Music Player - Audio Player
★4.6
Volume Equalizer & Amplifier
Volume Equalizer & Amplifier
★4.4
Bass Booster & Equalizer
Bass Booster & Equalizer
★4.6
Volume Control - Equalizer FX
Volume Control - Equalizer FX
★3.7
Power Audio Equalizer
Power Audio Equalizer
★4.2
Music Player - Equalizer & MP3
Music Player - Equalizer & MP3
★4.6
Bass Booster & Equalizer
Bass Booster & Equalizer
★4.1
Volume Booster Equalizer
Volume Booster Equalizer
★4.4
Music Volume Bass Booster
Music Volume Bass Booster
★4.0
Music Player & MP3 Player
Music Player & MP3 Player
★3.8
Flat Equalizer - Bass Booster
Flat Equalizer - Bass Booster
★4.7