I Built a Calisthenics App Because I Failed My First Handstand On March 1st, 2025, I could barely do 15 push-ups and maybe 3–5 pull-ups consistently. At the same time, my social media feed was …

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Medium

A Flutter developer shares the story of building CaliStack, a calisthenics app, after failing his first handstand attempt. Frustrated by the lack of structured progression in existing fitness apps, he teamed up with a designer, a calisthenics athlete, and a video producer to create an app with 228 workouts and 100+ original tutorial videos organized as a skill-tree progression system. Built with zero budget using revenue-sharing agreements, the app is now live on Android and iOS.