When you connect Apple Health or Google Health Connect, Carbi syncs the following types of data to give you a more complete picture of your health and activity.
Data types synced
Weight — used to track your weight trend and keep your calorie targets accurate
Height — used in your TDEE (calorie needs) calculation
Steps — your daily step count
Workouts / Exercise — activity sessions recorded by your device or fitness apps
How syncing works
First sync: Carbi pulls up to 30 days of historical data when you first connect.
Ongoing syncs: After that, only new or changed data is synced — Carbi doesn't re-download everything each time.
One reading per day: For weight, if you have multiple readings on the same day, Carbi picks the best one (manual entries take priority over device readings).
Good to know
You don't need to grant permission for all data types. Carbi will work with whatever you allow — there's no all-or-nothing requirement.
Your synced weight data feeds into Carbi's trend weight calculation, which smooths out daily fluctuations and keeps your diet plan targets accurate.
Carbi only reads data from your health app — it doesn't write any data back.