Volume Booster is a simple way to make your iPhone sound louder!
Do you have bad speakers or low-quality audio output? or you just want to adjust bass volume?
Boost volume up to 1000% with Volume Booster!
The app in such a way that the sound of low-level audio files or weak microphone speakers are amplified, and you hear better and louder.
Volume Booster offers auto-renewable subscription for $6.99 USD per year. The amount stated will be charged to your credit card through your iTunes account and will automatically renew unless you canceled at least 24 hours before the end of the current period. Any unused portion of a free trial period will be forfeited when you purchase the subscription. Though your subscription for the current month cannot be canceled, you can turn auto-renewal off in your account settings after purchase.