TISSY is an indie developer on the App Store with 1 app. On IndieRank, they are ranked #80 out of 4,169 developers (top 2%). Their primary category is Health & Fitness, with 13,567 total ratings and a 4.9★ weighted average. Their most popular app is Sport & Nutrition - TSE with 13.6K ratings and a 4.9★ score.