fitness

2 things tagged fitness.

pilates

Building Aura Pilates: A Mat Workout Studio With a Player That Respects the Session

I shipped Aura Pilates — calm-strength mat training with journeys and a real in-session player. The hard part was product completeness: states, progress that actually resets, and art that can be replaced without rewriting the app.

Aug 2026 · 3 min read

irun

Building iRun AI: An Explainable Running Coach That Refuses to Hallucinate Workouts

I shipped iRun AI - a running coach that explains itself. The hard part wasn’t tracking runs. It was designing AI that can propose a plan change, but never invent a workout.

Aug 2026 · 4 min read