Premium version: - Boost all volume up to 1000% - No time limit - Enjoy an ad-free experience - Boost music bass to the maximum - Convert audio in different formats ( mp3, Flac, wav, m4a) - Trim audio with custom slider, support formats are: wav, m4a, aif - Preset stores with custom audio presets Subscription information: - Subscribe to get access to all the Premium features - Free trial subscription is automatically renewed unless cancelled 24 hours before the renewal - Payment will be charged to iTunes Account at confirmation of purchase - Account will be charged for renewal within 24-hours prior to the end of the current period, at the same price - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase Privacy Policy & Terms of Use: https://gonatheles.wixsite.com/mysite/terms https://gonatheles.wixsite.com/mysite/privacy *Price are equal to the value that "Apple's App Store Matrix" determines is the equivalent of the subscription price in $USD.