Guides
The plumbing of digital health
Why your watch sends one number and your app shows another. What to do when an integration breaks without warning. Why the same food has two different calorie counts. These are the problems Biomapa had to solve to work, written for anyone dealing with them - with or without Biomapa.
Last updated: October 28, 2026
Samsung Health stopped sending workouts to Health ConnectSince July 2026, a Samsung Health update stopped writing exercise sessions to Health Connect. Steps and heart rate still come through; workouts don't. What happened, how to confirm it and what you can do.Why your app says you burned 14,000 calories in a dayGarmin, Fitbit and other watches report TOTAL calories - which include what your body burns just by being alive. Apps that add that number up as if it were exercise end up with impossible totals. How to spot it and what the right number should look like.Google Fit is going away: what changes and where to goGoogle stopped letting new apps sign up for the Google Fit APIs in May 2024 and is supporting them through the end of 2026. The replacement is Health Connect. What this changes for you, on Android and on iPhone.Why the same food has different calories in each appUsually no one is making a mistake. Even USDA FoodData Central, the main US reference, is made up of several databases built in different ways, and apps also draw on brand labels - so the numbers don't always agree. What these sources are, why they differ and which one to use.Biomapa and your lab's app: what each one is forYour lab's app or patient portal shows the results from that lab. What it doesn't do is put the test you took two years ago next to the one you took today, somewhere else. The difference between storing results and following how they change.Biomapa, Apple Health and Health Connect: how they fit togetherApple Health and Health Connect store what sensors measure: steps, sleep, heart rate. Neither one can read a lab report PDF. Where each one starts and where it stops.