If you think that the speaker on your iPhone or iPad is not loud enough or sounds muffled, this app can help you clean it by testing it. You can use manual mode or use TURBO to be sure that everything is cleaned.

Subscription payments will be debited from your iTunes account upon confirmation of your purchase and at the beginning of each renewal period. You can cancel your subscription or free trial in iTunes settings at least 24 hours before the end of each current subscription period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service.

Terms of use: https://sites.google.com/view/termsandconditions-pomapps
Privacy Policy: https://sites.google.com/view/privacypolicy-pomapps