Why Bein builds Burnin and Cookin
Bein is a health company. It makes apps that measure how your own body handles what you eat, where most apps estimate it from a formula built on averages.
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How any of this actually works.
Engineering and product notes, written when there is something real to report rather than on a schedule.
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Burnin assumes the food AI is wrong
Photo calorie estimates are unreliable in every app, ours included. Burnin takes calories from a food database and measures your target from the scale.
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Onyx, a portable format for food diaries
Years of logging is the least portable data most people own, and the main reason nobody switches trackers. So we wrote a specification and put it in the public domain.
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Why the AI runs on your phone
A food diary is a more revealing document than most people realise. Not holding it turned out to be a design constraint that shaped both apps, and it cost more than it sounds.
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How Burnin measures your metabolic rate
Most trackers guess your maintenance calories from a formula, then blame you when the scale disagrees. Burnin waits for evidence and does subtraction instead.
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