App can help to improve your hearing, but can't resolve your hearing problems, it is not approved as a medical device or software and cannot be used as a hearing aid with doctor`s prescription.
* You can turn off the auto-renewal at any time: you'll find the option to do this change to a different payment plan in the settings of your iTunes and App Store account.
* Subscription Volume Boost – Sound Amplifier get access to all functions of the application.
After that, your account will be automatically charged for the subscription if you will not stop it before the end of the free trial.
* Account will be charged for renewal within 24-hours prior to the and of the current period, and identity the cost of the renewal.