How to Sync Apple Health Data to Google Fit Automatically (Step-by-Step)

Last autumn, my office announced a step challenge with a $250 gift card up for grabs. I was thrilled—until I read the fine print. The company's tracking portal only connected to Google Fit.

As someone who wears an Apple Watch every single day and relies entirely on Apple Health, I panicked a little. I definitely wasn't going to log into an app every night to punch in my steps, active calories, and heart rates manually. Life is too short for data entry.

After spending three frustrating evenings testing sketchy apps that either begged for expensive subscriptions or flat-out failed to sync, I finally nailed down a foolproof, automated setup.

If you are switching between ecosystems, trying to share health stats with an Android-using partner, or joining a work challenge like I did, you don't need to manually type a single calorie. Here is how you can make Apple Health and Google Fit speak to each other automatically.

Why Apple and Google Don't Play Nice Together

Apple and Google operate two entirely distinct health ecosystems. Apple built Apple Health around iOS privacy permissions, keeping your data local to your device and iCloud. Google, on the other hand, built Google Fit around cloud-first account syncing across Android, WearOS, and the web.

Because they are direct rivals, neither company provides a direct, native toggle switch that says "Send my data to the competition."

They rely on third-party API bridges. To bridge this gap seamlessly, you need an intermediary app that has permission to read from your iPhone's Apple Health database and write directly into your Google Fit account.

The Best Tool for the Job: FitnessSyncer

While there are a few options on the App Store, my personal favorite tool after months of testing is FitnessSyncer. It offers a generous free tier, handles background syncs reliably, and doesn't clutter your phone with ads.

Another decent paid alternative is Sync Solver for Google Fit (a one-time $0.99 purchase), but FitnessSyncer gives you broader control over specific metrics like sleep, steps, distance, and active energy.

A Quick Privacy Note: Whenever you link health data to a third-party service, always check their data policy. FitnessSyncer uses secure OAuth connections, meaning it never sees your Google password, and you can revoke access at any time from your Google Account settings.

Step-by-Step: Setting Up Automatic Sync

Follow these exact steps to link your accounts. The entire process takes less than seven minutes.

Step 1: Install Google Fit on Your iPhone

Before setting up the sync bridge, make sure Google Fit is already installed on your device.

1. Open the App Store on your iPhone.
2. Search for Google Fit and download it.
3. Open Google Fit and log in with your primary Google account.

Step 2: Create Your Free FitnessSyncer Account

Next, you need to create the bridge account that facilitates the automated sync.

1. Download FitnessSyncer from the App Store (or visit fitnesssyncer.com on your browser).
2. Create a free account using your email.

Step 3: Grant Apple Health Permissions (Data Source)

Now, tell FitnessSyncer where to pull data from.

1. Open the FitnessSyncer app and tap on Account / Sources.
2. Select Add Source.
3. Choose Apple Health from the list of services.
4. When the iOS permission screen pops up, toggle Turn On All (or selectively choose Steps, Workouts, Heart Rate, and Active Energy).
5. Tap Allow in the top right corner.

Step 4: Grant Google Fit Permissions (Data Destination)

Next, tell FitnessSyncer where to send that data to.

1. Return to the main menu in FitnessSyncer and select Destinations.
2. Tap Add Destination.
3. Choose Google Fit from the menu.
4. You will be prompted to sign in with your Google Account.
5. Tap Allow to grant FitnessSyncer access to write data to Google Fit.

Step 5: Enable Background Refresh

To ensure this process happens quietly without opening apps every morning, turn on background processing.

1. Go to your iPhone's Settings app.
2. Scroll down and select FitnessSyncer.
3. Toggle on Background App Refresh.

Pro Tip: Free accounts typically sync once every 24 hours in the background. If you ever need immediate updates—say, right before a step challenge deadline—simply open the FitnessSyncer app and tap the manual Sync Now button!

Troubleshooting Common Sync Issues

Even with a solid setup, minor hiccups can happen. Here is how I solved the two most common issues I ran into:

• Duplicate Steps in Google Fit: If Google Fit is also using your iPhone's motion sensors directly, it might count your steps twice. To fix this, open the Google Fit app, go to Profile > Settings, and disable Track your activities (let FitnessSyncer be the single source of truth).
• Missing Workouts: Ensure Apple Health permissions haven't accidentally reset. Go to iPhone Settings > Privacy & Security > Health > FitnessSyncer and double-check that all toggles are turned green.

Frequently Asked Questions

Will syncing Apple Health to Google Fit drain my iPhone battery?

Not noticeably. Because the background sync runs in short batches once or twice a day, it uses minimal processing power. I haven't noticed any change in my daily battery life since setting it up.

Can I sync historical data from months ago?

Yes! During the initial setup in FitnessSyncer, you can select a historical start date. The free version typically allows backfilling up to 30 days of past health data, while premium tiers let you go back further.

What happens if I delete an entry in Apple Health?

Most sync tools are designed to append and update data rather than delete it. If you delete a workout in Apple Health, you may need to manually remove the duplicate entry inside Google Fit to keep things tidy.

Final Thoughts

Once you set this up, you can completely forget about it. My daily steps, evening runs, and active calories now float seamlessly from my Apple Watch over to Google Fit without any effort on my end. And yes—in case you were wondering—I actually won second place in that company step challenge thanks to this setup!

Give it a try today, and let your phone do the tedious work for you. If you run into any hiccups during setup, feel free to drop a comment or reach out—I'm always happy to help a fellow tech tinkerer!