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There is no officially verified, universal Fitbit-to-legacy-Google-Fit sync that you can safely assume will copy every metric. On Android, the current path is to use Health Connect when both the Fitbit software and your destination app support the data category you need. Google is also moving users toward the newer Google Health app, which changes what “Google Fit” means in this question. Before troubleshooting, identify your phone operating system, the exact destination app, the connected Fitbit app or service, and the missing category—such as steps, sleep or workouts.
This guide explains the routes that are currently supported in principle, what they do not guarantee, and how to diagnose a missing Fitbit data stream without relying on obsolete bridge-app instructions.
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First, distinguish Google Fit from Google Health
Many online instructions use “Google Fit” to mean the older Android app or its developer APIs. Google announced the Google Health app on May 7, 2026, as a unified destination for Fitbit and connected health data. Existing Fitbit users are being moved to the new app experience, while Google Fit users are expected to be invited to migrate later in 2026. The rollout and the screens available to a particular account can vary.
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What can sync today—and what is not established
| Route | What is supported by current guidance | What you should not assume |
|---|---|---|
| Fitbit account or device to Google Health | Google describes Google Health as a unified destination for Fitbit and connected health data. | Every historical Fitbit record, metric, chart or legacy Google Fit view will be reproduced identically. |
| Android third-party sharing through Health Connect | Google says most third-party apps and devices can share data with Google Health through Health Connect on Android, provided the app supports the relevant category and you grant access. | Health Connect by itself copies all Fitbit data into the old Google Fit app, or that every app reads and writes the same categories. |
| Older Fitbit Web API or Google Fit API integrations | Developers are being directed to newer Google Health and Health Connect paths during the 2026 transition. | An integration built on an old API will continue working after its applicable migration deadline. |
| A consumer bridge to legacy Google Fit | No authoritative source establishes a particular third-party bridge as complete and reliable for current Fitbit data. | A named bridge app will transfer your entire history, maintain a dependable cadence or remain compatible through the transition. |
Sleep, workouts, heart-rate records, weight, GPS tracks and other categories can have different support rules. Do not treat a successful step count as evidence that every other Fitbit category is available.
Android: check the Health Connect route
Health Connect is the Android sharing layer Google identifies for third-party apps and devices. The exact menu names can change with Android, Fitbit and Google Health releases, so use the labels shown on your phone rather than following an old screenshot.
1. Confirm the destination and source
- Open the app where you expect to see the data and note whether it is Google Fit or Google Health.
- Open the Fitbit app associated with your tracker and confirm that the tracker has uploaded a recent reading there. If the value is absent in Fitbit itself, a destination app cannot import it.
- Write down the missing category and date range. “Steps from today” is a different diagnostic case from “all sleep history from the last five years.”
2. Look for Health Connect support in both apps
- In Android Settings, open the Health Connect section. On some phones it is under Security and privacy or Apps; Android version and manufacturer determine the exact location.
- Review the list of connected apps. If Fitbit or the relevant Fitbit companion service is not offered as a source, Health Connect cannot create that connection merely because it is installed.
- Open the destination app’s settings and look for an option named Health Connect, Connected apps or similar. Enable it only if the app explicitly supports the category you need.
3. Grant category-specific permissions
Health Connect permissions are separated by data type. Allowing steps does not automatically allow sleep, exercise routes, heart rate or body measurements. Grant read permission to the destination for categories it needs to display, and write permission only to an app that should contribute records. If a category is absent from the permission screen, that app is not declaring support for it through Health Connect.
4. Let the source upload before checking the destination
Sync the tracker with the Fitbit app first, then reopen the destination app. Keep Bluetooth enabled, make sure the tracker is nearby, and leave the Fitbit app open long enough to finish its own upload. Avoid judging the result while the source still shows a pending or incomplete sync. Current official guidance does not establish a universal delay or guaranteed refresh interval, so do not interpret a short wait as a promised service-level time.
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5. Verify one known record
Choose a single recent value that is visible in Fitbit, such as yesterday’s step total. Check the corresponding date in Health Connect and then in the destination app. This separates a permission problem from a historical-import limitation. Once one category works, test other categories individually rather than enabling every permission at once.
Moving from Google Fit to Google Health
Google’s May 7, 2026 announcement says existing Fitbit users will move to the Google Health experience and Google Fit users will be invited to migrate later in 2026. If your account has received that migration, follow the in-app transfer or invitation flow and sign in with the Google account that owns the data. Do not create a second account merely because the new app has a different name; doing so can make an empty profile look like a failed sync.
After migration, compare the source Fitbit record with the matching Google Health category. A changed dashboard, missing historical chart or different terminology does not by itself prove that the underlying record was deleted. Conversely, seeing one metric in Google Health does not establish that all legacy Google Fit history or every Fitbit category was moved.
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iPhone users need a different diagnosis
Health Connect is an Android sharing layer. Do not apply Android menu instructions to an iPhone. Google’s help guidance discusses third-party sharing with Google Health and an Apple Health route for iPhone, but support still depends on the individual app and data type.
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- Confirm that Fitbit data is present in the Fitbit app on the iPhone.
- Check whether the Fitbit app offers an Apple Health connection and whether the required category is listed in that permission screen.
- Check the destination app’s own iPhone integration. An app may read Apple Health categories without accepting every Fitbit field or historical record.
- Grant only the categories you intend to share, then verify a recent record in the destination.
If the destination is specifically the old Android Google Fit app, an iPhone-to-Google-Fit route is not established by the current official guidance. Treat an old web tutorial or a bridge-app claim as unverified unless the developer documents current support for your exact phone, destination and data category.
Why an old integration may stop working
Google Fit APIs, including the REST API, are being deprecated during 2026. Android Developers identifies Health Connect and the Google Health API as migration destinations for developers. Separately, Google’s developer documentation says the Fitbit Web API will be turned off on October 30, 2026. That cutoff is upcoming relative to the October 13, 2026 documentation date.
Any app that collected Fitbit records through the Fitbit Web API or relied on Google Fit APIs must migrate its own integration. A consumer cannot repair a server-side API shutdown by clearing cache, reinstalling Fitbit or toggling a phone permission. If a bridge stops importing after an API transition, ask its developer whether it has migrated to the current Google Health or Health Connect interface; do not assume the old authorization can be renewed.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Google’s Google Health API documentation states: “All current integrations utilizing the Fitbit Web API and Fitbit Authorization must migrate to the Google Health API and Google OAuth 2.0 as soon as possible to ensure uninterrupted data continuity.”
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Troubleshooting Fitbit data that is not appearing
Nothing from Fitbit appears anywhere
- Check the tracker’s connection and confirm the Fitbit app shows a completed recent sync.
- Confirm that the Fitbit app and the destination use the intended account.
- Check Android battery restrictions or background limits that may pause either app, then reopen both apps and perform a manual source sync.
- Review Health Connect permissions if you are on Android, or Apple Health permissions if you are on iPhone.
Steps appear, but sleep or workouts do not
This usually indicates category-level support or permission differences rather than a completely broken connection. Open the permission list and look for the missing category. If it is not offered by the source or destination, there is no setting that can manufacture support. Test a recent record first; older history may have separate import rules.
Only new records appear
Do not infer that the connection promises a full historical backfill. The official material does not establish complete coverage for every Fitbit metric or a universal import window. Check whether the destination describes an import option, then compare one date at a time. Keep Fitbit as the source of truth until you have verified the historical range you need.
The destination shows duplicate or conflicting values
Health Connect allows multiple apps to contribute certain categories. Review which app has write permission and disable an unnecessary writer rather than repeatedly reconnecting accounts. A duplicate display can result from two sources writing similar records; it is not evidence that Fitbit uploaded the same reading twice.
Data disappeared after changing apps
First check the account and date filter. A migration can change the dashboard or selected profile, and a newly created Google account will not contain the original account’s history. Do not delete Fitbit data while investigating. Export or preserve any records you need before removing an old integration.
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A bridge app asks for broad permissions
Grant only the categories required for the stated purpose. Read the bridge developer’s current support and migration notice, especially because Fitbit Web API access is scheduled to end on October 30, 2026. If its documentation promises “all Fitbit data” without listing categories, dates and the current API, treat that promise cautiously.
A practical decision tree
| Your situation | Best next action |
|---|---|
| Android, and both apps list Health Connect | Enable the needed category permissions, sync Fitbit first, then verify one recent record in Health Connect and the destination. |
| Android, but Fitbit or the destination is absent from Health Connect | There is no confirmed Health Connect route for that combination. Check the apps’ current support pages rather than installing an unverified bridge. |
| Google Health is available for your account | Use the Google Health migration or connection flow and verify categories separately from legacy Google Fit. |
| iPhone | Use the Fitbit-to-Apple-Health and destination-app permissions if offered; do not use Android Health Connect steps. |
| A developer-built integration | Plan migration from Fitbit Web API and deprecated Google Fit APIs to the current Google Health API or Health Connect path before the applicable cutoff. |
What you should record before asking for support
Support requests are resolved faster when they identify the complete path instead of saying only “Fitbit is not syncing.” Include:
- Phone model, operating system and app versions.
- Whether the destination is legacy Google Fit or Google Health.
- The Fitbit app account and the Google account in use.
- The exact missing category and dates.
- Whether the value is visible in Fitbit and, on Android, in Health Connect.
- The permissions currently granted and the time of the last successful source sync.
- Whether the problem began after an app update, account migration or a bridge developer’s API notice.
Do not send passwords, OAuth tokens or complete health exports in a public support post. Revoke an obsolete connection from the relevant account settings after a developer confirms that its integration has ended.
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Think of the connection as a chain: Fitbit must first receive the record; an approved sharing layer must expose that category; the destination must be able to read it; and the account must have permission to display it. A break at any link can look like “Google Fit failed,” even when the Fitbit device and the destination are functioning normally.
There is currently no official consumer statistic establishing a universal sync success rate, delay or complete category list for Fitbit-to-Google-Fit transfers. The safest approach is therefore category-by-category verification, with Google Health and Health Connect treated as the current transition paths rather than assuming that an older Google Fit bridge will remain intact.
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