Extra Volume Booster 與 Super Volume Booster: HD Sound 使用情況與統計

Adding Volume Booster with the latest technologies on your phone will assist you to clarify the sound of your bass audio , music, or video. Volume Booster can increase the sound maximum volume by 1000%! Volume Booster can amplify the sound of low-level audio files or weak microphone speakers in such a way that you can hear better and louder sounds. How to Use: 1. Tap "+" to Import your files. 2. Swipe to adjust the volume. 3. Converted Successfully. Key Features: Supports boosting any audio format file. Enhance the sound quality & music sensations. 
Increase video, audio, music, voice volume. 
Import your sound file from devices, other apps, or clouds. Unlimited Subscription Plans: - $3.99 Weekly. - $19.99 Lifetime. - Payment will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration/price selected) 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 at the cost of the chosen package. - You can manage your subscription and/or turn off auto-renewal by going to your iTunes Account Settings, but refunds will not be given for any unused portion of the term. Terms of Use: https://sites.google.com/view/volume-terms/home Privacy Policy: https://sites.google.com/view/volume-privacy/home