Volume Booster allows you to boost (increase or decrease) volume in your media files (music, songs, movies, audiobooks, voice records and more). [Features] - Increase / Decrease Media Volume - Works with Videos and Audios - Import files from Camera Roll, Dropbox, Google Drive - Very fast and high quality volume boost - Boost usually takes less than 15 seconds! [In-app Purchases] You can be a premium user through auto-renewing subscription or one-time purchase. Weekly: $4.99 Monthly: $12.99 Lifetime: $29.99 - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Legal: Please see Volume Booster "Terms of Services" and "Privacy Policy": Terms of Service: https://sensustech.com/volumebooster/terms Privacy Policy: https://sensustech.com/volumebooster/privacypolicy