Volume Booster MAX Boost Bass is a free iPhone app that allows you to increase the volume of any audio file or video up to 1000%. Whether you have a favorite video with poorly recorded sound or you want to boost the volume of an audio file, this app is designed to help you quickly and safely.

Using the app is simple and straightforward. Just select the file you want to increase the volume of, choose the desired volume level, and wait for 3-10 seconds. Your file with the increased volume will be ready to use.

Volume Booster MAX Boost Bass provides an easy solution to increase the volume of your audio files and videos. Give it a try and enhance your listening experience today!

Please note that the app offers different subscription options, including a 1-week subscription and a 1-year subscription. Subscriptions can be managed by the user, and auto-renewal can be turned off in the Account Settings. Subscription payments will be charged to your iTunes account, and cancellation can be done at least 24 hours before the end of the free trial period.

For more information, you can refer to the app's Privacy Policy and Terms of Use.