ShapeSync reads your Apple Health data from whatever apps you already use — Yazio, MyFitnessPal, Apple Watch, Wahoo — and turns it into a dashboard that explains what's happening with your weight. Two things nobody else seems to do: real plateau detection with trend smoothing + goal-date projection, and a personal Apple Watch calorie-burn calibration that corrects for the Watch's known inaccuracy using your real weight data. 100% private: everything stays on your iPhone, no account, no cloud.
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Maker
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Hey Product Hunt 👋
I built ShapeSync because I was tired of weight-loss apps either requiring their own
ecosystem (buy our watch, use our scale) or just showing me a noisy chart with no real
insight into why my weight wasn't moving.
The Apple Watch calibration feature came out of my own frustration — I noticed my
Watch's calorie estimates never quite matched what my actual weight was doing, so I
built something that compares the two and corrects for it.
Happy to answer anything about the tech, the privacy approach (everything local,
no account), or what's coming next. Thanks for checking it out!