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Guides

Answers for people who wear more than one device

Syncing problems, what your numbers mean, and which apps work together. Short answers first, details after.

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Moving your data

Polar Flow and Apple Health: what syncs and what doesn't?

In Polar Flow, turn on Apple Health in More > General settings. It sends workouts, steps, sleep times, energy and weight, and imports nothing from Health.

PolartoApple Health
Moving your data

Strava and Apple Health: what syncs each way?

Turn on Strava's Send to Health to send activity type, distance, time and calories to Health. Strava imports Apple Workout app workouts up to 30 days old.

StravatoApple Health
Two devices, one place

Can I use Oura and Apple Watch together?

Yes. Both write to Apple Health on your iPhone, and Health uses the top-ranked source for each kind of data. Rank the device you trust first in each list.

OuraApple WatchtoApple Health
Two devices, one place

Can you wear Oura and WHOOP at the same time?

Yes. Oura and WHOOP both write to Apple Health, so in the Health app put one device first for each data type and let only one of them write workouts.

OuraWHOOPtoApple Health
Moving your data

What happens to my Google Fit data now that Google Health is replacing it?

Google says it will invite Fit users to move their data to the Google Health app later in 2026. Until then, keep using Fit and save a copy with Google Takeout.

Google FittoGoogle Health
Sync fix

Why is my Oura ring not syncing to Apple Health?

In the Oura app, turn on Connect to Health (menu > Settings > Apple Health), allow the data types on your iPhone, then open Oura so it syncs.

OuratoApple Health
Sync fix

Why is WHOOP not syncing to Apple Health?

Connect Apple Health in the WHOOP app (More > App Settings > Integrations > Apple Health). It sends heart rate only for sleep and workouts, so gaps are normal.

WHOOPtoApple Health
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