Sound Booster: Volume Booster 與 Audio Boost: Sound Speaker 使用情況與統計

Sound Booster takes advantage of latest technologies for amplify bass volume to the lound sound greatly as well as improve sound clarity. Download it for the best music listening experience, use headphones or external speakers. Key Features: Play music directly from your library or Apple Music account. Increase bass volume to maximum and provide better quality. Boost the volume of all media, including audio and video files. Adaptation to different types of environment We offer 3 auto-renewing subscriptions: - Length: $5.99 weekly and $12.99 monthly, $44.99 lifetime. - Payment will be charged to iTunes Account at confirmation of purchase - You will be able to access the Premium features of the app for the duration of the subscription - Subscription automatically renews for the same price and duration period as the original period unless auto-renew is turned off at least 24-hours before the end of the current period - The account will be charged for renewal within 24-hours prior to the end of the current period at the cost of the chosen package. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's iTunes Account Settings after purchase - No cancellation of the current subscription is allowed during the active subscription period - You may cancel a subscription during its free trial period via the subscription setting through your Apple account. This must be done 24 hours before the end of the subscription period to avoid being charged. - You may turn off the auto-renewal of your subscription via your Apple Account Settings. However, you are not able to cancel the current subscription during its active period - Any unused portion of a free-trial period will be forfeited when the user purchases a subscription. Terms of Use: https://sites.google.com/view/soundbooster-terms-of-use/homepage Privacy Policy: https://sites.google.com/view/soundbooster-privacy-policy/homepage