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Guide

Health Sync

How BlazeFiit tracks your steps, sleep, and activity data.

How it works

BlazeFiit reads your health data so your coach can see your daily progress — steps, sleep, calories, heart rate, and more. Data is synced to a secure database whenever you open the app. Your coach only sees the totals, never raw sensor data.

There are two ways BlazeFiit gets your data, depending on your device and wearable:

  • On-device sync — reads directly from Apple Health (iPhone) or Health Connect (Android).
  • Google Health cloud sync — pulls steps and sleep from the Google Health API. Best for Fitbit users on iPhone, or anyone whose wearable doesn’t write to Apple Health or Health Connect.

iPhone — Apple Health

If you use an Apple Watch, most workout apps, or any app that writes to Apple Health, BlazeFiit reads your data automatically.

Setup

  1. Open BlazeFiit → Settings.
  2. Under Health Integration, tap Connect Apple Health.
  3. Grant permissions for the categories you want to share (steps, sleep, calories, etc.).
  4. Data syncs every time you open the app.

What gets synced

  • Steps, active calories, resting calories
  • Sleep duration
  • Heart rate (average), weight, body fat %
  • Distance, workouts

Fitbit on iPhone?

Fitbit does not write data to Apple Health natively. If you use a Fitbit with an iPhone, use Google Health cloud sync instead (see below).

If Fitbit data is only visible inside the Fitbit app and has not been shared to Apple Health or Google Health, BlazeFiit will not be able to read it from the iPhone directly.

Android — Health Connect

Android phones use Health Connect as the central health data hub. Samsung Health, Google Fit, Fitbit, Garmin Connect, and other apps write data there.

Setup

  1. Install Health Connect from the Play Store (pre-installed on most newer phones).
  2. Open BlazeFiit → Settings.
  3. Under Health Integration, tap Connect Health Connect.
  4. Grant the requested permissions.

What gets synced

  • Steps, active calories, resting calories
  • Sleep duration
  • Heart rate (average), weight, body fat %
  • Distance, workouts

Steps showing 0?

Your health app (Samsung Health, Fitbit, etc.) needs to share data with Health Connect. Open your health app’s settings and enable Health Connect sharing. Then pull down to refresh in BlazeFiit.

Samsung watch + phone double-counting

If you have a watch and phone, multiple apps may record the same steps to Health Connect. BlazeFiit uses Health Connect's Activity-app priority and reconciles overlapping timestamps so duplicate intervals are counted once. If your steps look wrong, ask your coach to check the Steps source on your profile.

Fitbit + Samsung sleep differences

If Fitbit, Samsung Health, or another wearable writes the same overnight sleep session into Health Connect, each app may show a slightly different total. BlazeFiit compares overlapping sleep sessions instead of adding them together, then keeps the most reliable matching session and includes only separate non-overlapping sleep blocks such as a later nap.

If your sleep total looks like two apps were combined, open your wearable app and Health Connect first, then ask your coach to check the detected wearable source on your profile.

Google Health — Fitbit, Pixel Watch & more

If your wearable syncs to Google Health (formerly Fitbit), you can connect BlazeFiit directly to the Google Health cloud. This is the recommended option for:

  • Fitbit users on iPhone (Fitbit doesn’t sync to Apple Health)
  • Pixel Watch users
  • Anyone whose wearable syncs to Google but not Health Connect or Apple Health

Setup

Fitbit users must move their Fitbit account to Google first. If you still sign in with an older Fitbit account, Google Health may not return your steps or sleep to BlazeFiit. Follow Google’s Fitbit account migration guide before connecting Google Health in BlazeFiit.

  1. Make sure your Fitbit / Pixel Watch data is syncing to your Google account (open the Google Health or Fitbit app and confirm).
  2. Open BlazeFiit → SettingsHealth integrations.
  3. Tap Connect Google Health.
  4. Sign in with the Google account linked to your Fitbit / wearable.
  5. Grant BlazeFiit permission to read your activity and sleep data.
  6. You’ll see Connected in Settings. Tap Sync now to pull your latest data.

What gets synced

  • Steps (daily total)
  • Sleep (total minutes)

Other metrics (calories, heart rate, weight) are not currently pulled from Google Health. If you also have Health Connect or Apple Health connected, those metrics will still sync from your device.

If you use both Google Health and device health

You can connect Google Health alongside Apple Health or Health Connect. For steps and sleep, Google Health may be used as the preferred connected source when it returns data for the day; your device health data remains the fallback if Google Health cannot return today’s data. BlazeFiit does not intentionally add the two totals together.

Disconnecting

Go to Settings → Health integrations and tap Disconnect. BlazeFiit will revoke its access token. You can also remove BlazeFiit from your Google account at myaccount.google.com/connections.

Which sync option should I use?

Your setupRecommended sync
iPhone + Apple WatchApple Health
iPhone + FitbitGoogle Health (cloud)
iPhone + Garmin / Whoop / OuraApple Health (if the app writes to it)
Android + Samsung watchHealth Connect
Android + FitbitHealth Connect (or Google Health cloud)
Android + Pixel WatchHealth Connect (or Google Health cloud)
Android + Garmin / Whoop / OuraHealth Connect (if the app writes to it)

Privacy & data

  • BlazeFiit only reads your data — it never writes health data back to Apple Health, Health Connect, or Google Health.
  • Your data is stored securely and shared only with your assigned coach within your gym.
  • You can disconnect any integration at any time in Settings.
  • Deleting your BlazeFiit account removes all stored health data. See our Privacy Policy for details.

Troubleshooting

Sleep not showing on Android? Follow the step-by-step Troubleshooting guide.

My steps are showing 0

iPhone: Open Settings > Health > Data Access > BlazeFiit and make sure step data is enabled. Open BlazeFiit and pull down to refresh.

Android: Make sure your health app (Samsung Health, Fitbit, etc.) is sharing data with Health Connect. Open BlazeFiit and pull down to refresh.

My steps seem too high (double-counting)

This can happen on Android if both your phone and watch record steps to Health Connect. BlazeFiit automatically picks the most accurate source. If it still looks wrong, ask your coach to check your steps source setting on your client profile.

BlazeFiit shows fewer steps than Google Fit (or another app)

On Android, BlazeFiit shows the number that Health Connect reports — not each app’s own private count. Health Connect does not add every app’s steps together. For each block of time it keeps one source — whichever app is highest in your priority list — and ignores the rest so you’re not double-counted.

So if Samsung Health is above Google Fit in that list, Samsung Health’s count “wins” the day and BlazeFiit matches Samsung Health, even if the Google Fit app shows a higher number. Google Fit also tends to estimate more steps than a phone’s built-in pedometer, and it doesn’t always write its full count into Health Connect.

To choose which app BlazeFiit follows:

  1. Open the Health Connect app → Data and access ActivitySteps See all entries to check which apps actually wrote steps, and how many.
  2. Go to Data sources and priority Steps and drag the app you trust (Samsung Health, Google Fit, or your watch app) to the top.
  3. Pull down to refresh in BlazeFiit and compare again.

On a Samsung phone we recommend keeping Samsung Health at the top — it reads the phone’s hardware step counter, which is usually the most accurate. If an app is at the top but its steps still don’t reach BlazeFiit, that app isn’t writing its full count to Health Connect — a priority change won’t help until it does.

Google Health says 'Access blocked' or 'invalid_scope'

Make sure you’re signing in with the Google account that has your Fitbit or wearable data. If you see an access error, the app may still be in review with Google — contact your coach or email support@blazefiit.com for help.

I connected Google Health but no data appears

Tap Sync now in Settings > Health integrations. If steps and sleep both show 0, your wearable data may not have synced to Google yet. Open the Google Health or Fitbit app and make sure it shows today’s data, then try again.

Fitbit users should also confirm their Fitbit account has been moved to Google. Google’s instructions are here: How to move your Fitbit account to Google.

Can I use both Apple Health / Health Connect AND Google Health?

Yes. BlazeFiit syncs from your device first, then from Google Health if connected. For steps and sleep, the Google Health value will take priority. Other metrics (calories, heart rate, weight) always come from your device.

Still need help?

Email us at support@blazefiit.com or visit the Support page for more help.

Health Sync Guide | BlazeFiit