Sync Solver - Health to Fitbit 4+

Sync BMI & Sleep Analysis Log

Best Free and Fun Games, LLC

    • $4.99

iPhone Screenshots


By popular demand, now you can sync all your data from Apple Health to Fitbit.
*** Important *** Fitbit has decided to not allow steps from third-party apps to count towards challenges. If you want to log steps from your iPhone and participate in challenges, we recommend using Mobile Track.

Data types supported:
- Steps
- Weight
- Body Fat Percentage
- Sleep Analysis
- Water

- Data granularity on steps is limited to once per hour due to Fitbit API limitations.

What’s New

Version 2.10

Minor fixes

Ratings and Reviews

3.5 out of 5
680 Ratings

680 Ratings

aagg03 ,

No Steps/Sleep in Fitbit

This is straight from a lengthy chat with Fitbit Support. They were nice enough, but were very clear that you will NOT see Steps data unless you buy one of their device or use your iPhone as your only tracker writing data directly into Health (inadvisable if you’re swimming or don’t want to live/sleep with your phone on your body). Even though Fitbit’s Exercise tile shows it’s getting duration and distance data from Health, and using that to calculate calories burned — and although you give Fitbit your walking/running stride measurements during setup — they say it will still NEVER use that data to calculate Steps. The same seems to go for Sleep, even if you approve all the correct read/write Privacy Settings for these types of data — without a Fitbit device, you CANNOT include those stats in your tiles/Dashboard. Fitbit will function merely as a weight loss, food, water, calories consumed/burned tracker ... not fitness/activity nor sleep, which is what I care about. I see this more a defect in their app and not Sync Solver, which appears to be doing what it should, but still I wasted $3 on this app. For me, it’s back to Jawbone’s purple-icon UP app ... tedious and limited after years of use, but the only one I’ve found that reads/charts my Steps/Sleep (as well as Weight) data to/from Health accurately most days without undue fuss, setup or other apps (like this one).

cjharrington ,

It DOES work!

I just got an Apple Watch but didn't want to stop using my Fitbit. I like them both for different reasons. Fitbit is my "source of truth" for activity.
I don't use both devices at the same time.
I am able to sync my activity (steps) from my watch to the Fitbit app w no problems.
*(saw this on the developers support page after I purchased. Fitbit restriction)The only thing I DON'T like is that it in addition to the overall step count, it adds items to the daily exercise log. It uploads the Apple Watch steps as exercises, 1 per hour. So I have a 7am exercise, 8am exercise, 9am exercise etc with the Apple Watch steps for that hour. (It's not double counting overall's just showing them as an 'exercise' as well)
I also purchased the Sync for Fitbit to Health for the OTHER items Fitbit has and Health doesn't. Weight etc (from Fitbit Aria scale), sleep from Fitbit auto sleep tracking.
Works great all around! I'm making sure I don't sync the SAME items between both and create an endless loop! :)
I don't use Fitbit challenges so it wasn't a concern for me.
Love it! Thanks!

Developer Response ,

Glad you are enjoying the app - remember to tell your Fitbit friends about it!

googull ,

Should be free

This sync app should be free because it is so limited. Sure, this is an outcome of the fit bit policy but unless you read all these reviews carefully you are likely to be disappointed with the app at large. Your steps will not be counted as steps in fit bit. Rather, they will be counted as activity. Stair flights are not synchronized. Sleep details are limited. And worst of all because of limitations in the number of uploads allowed by fit bit per hour you are going to be hugely disappointed if you thought you were going to synchronize more than a few days of data. The app offers to synchronize back years but doesn’t bother to tell you that you will likely destroy your screen with screen burn waiting the 70 hours it may take to complete. It isn’t until you get into the support details that you discover all of these limitations imposed by the fit bit website. By contrast the other rap that synchronizes fit bit data to the Apple health app is phenomenal and highly recommended.

App Privacy

The developer, Best Free and Fun Games, LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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