David Zemsky is an indie developer on the App Store with 0 apps. On IndieRank, they are ranked #715 out of 3,778 developers (top 19%). with 0 total ratings and a 0.0★ weighted average. Their most popular app is 악보 스캐너: 배우기 기타, 피아노 with 456 ratings and a 4.4★ score.