Steffen Ruppel is an indie developer on the App Store with 5 apps. On IndieRank, they are ranked #36 out of 1,573 developers (top 2%). Their primary category is Health & Fitness, with 66 total ratings and a 4.5★ weighted average. Their most popular app is 운동 헬스 루틴 기록 어플 피트니스 헬스장 근육 일지 with 65 ratings and a 4.5★ score.