We've tested a few of the top-rated picks on the Play Store, and the Volume Booster app by GOODEV was ... If you're looking for a way to amplify the music or movies you consume on your phone ...

iOS users may look at Equalizer Pro Volume Booster, SonicMax Pro Music Volume Booster, and PlayerExtreme Media Player. For Android users, we recommend VLC Media Player, Volume Booster Pro ...