Steffen Ruppel is an indie developer on the App Store with 5 apps. On IndieRank, they are ranked #25 out of 1,690 developers (top 2%). Their primary category is Health & Fitness, with 1,162 total ratings and a 4.4★ weighted average. Their most popular app is Programme Musculation Exercice with 1.1K ratings and a 4.4★ score.