Please provide info/link to upgrade to PRO version ($4.99) – MIDI Score Review

160729 Update: Upgrade successful; thank you! Info: Redeemed iTunes card (NOT intuitive) by scrolling to bottom of "Featured" (STAR) menu. 160726 Update: In settings - removed app upgrade/purchase restrictions; unfortunately, the App Store will not except the iTunes card (only credit cards). Original message (160723): Please provide info/link to upgrade to PRO version ($4.99). Thank you! P.S. Does the PRO version include additional sound fonts / instruments?
Review by MIDI FAN 16 on MIDI Score.