Comparison

Power Sync for Fitbit vs Fitsynchronizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Power Sync for Fitbit

Seamlessly sync your Fitbit data to Apple Health for free. Track heart rate, steps, distance, weight, sleep, and more. Supports all Fitbit devices and multiple accounts, with an optional auto-sync feature for convenience.

Highlights
  • Sync Fitbit data to Apple Health
  • Sync Heart Rate data
  • Automatic data synchronization
  • Support for all Fitbit device types
  • Multiple Fitbit account support
  • Dark Mode support
Features
Read full description

Fitbit + Apple Health + Free Sync = Happiness - Sync all your Fitbit data to Apple Health, for Free - Sync Heart Rate data - Auto Sync data for you - Support all Fitbit device types (including users who doesn't have a hardware and relies solely on Fitbit app) - Switch between multiple Fitbit accounts - Support Dark Mode in iOS 13 - **Note** Fitbit provides access to daily data only; we're working with Fitbit to support intraday syncing - **In App Purchase** is required for Auto Sync We believe that your Fitbit data belongs to you, and syncing your own data to Apple Health should be Free. So we created Power Sync. Data types supported: - Heart Rate - Steps - Walking + Running Distance - Flights Climbed - Weight - Body Fat Percentage - Body Mass Index - Sleep Analysis (in bed and asleep time) - Water - Dietary Calories Notes: - Fitbit provides access to daily data only; we're working with Fitbit to support intraday syncing - Since we don't have intraday data as of now, we're syncing all the data to 12:00 in a day • You can subscribe for Premium Auto Sync inside the app; subscriptions are billed monthly or annually at the rate selected depending on the subscription plan. • Alternatively a one-time payment plan is available (this is not a subscription). • Payment will be charged to your iTunes account at confirmation of purchase. • Subscriptions will automatically renew unless auto-renew is turned off at least 24 hours before the end of current period. • Your account will be charged according to your plan for renewal within 24 hours prior to the end of the current period. • You can manage or turn off auto-renew in your Apple ID account settings at any time after purchase: - Go to Settings > iTunes & App Store - Tap your Apple ID at the top of the screen - Tap View Apple ID. You might need to sign in or use Touch ID. - Tap Subscriptions. - Tap the subscription you want to manage. - Use the options to manage your subscription. • No cancellation of the current subscription is allowed during the active subscription period. Once purchased, refunds will not be provided for any unused portion of the term. We take the security of our customers very seriously. Read our Terms of Service at: https://terms.touchberry.net/ and our Privacy Policy at: https://privacy.touchberry.net/ Acknowledgement: - Vicons Design from the Noun Project

About

Fitsynchronizer

Effortlessly transfer your Fitbit data to the Health app with a single click. Sync past data over a specified period, including weight, body fat, steps, distance, and calories. This app helps consolidate your health metrics.

Highlights
  • Sync Fitbit data to Health app
  • Transfer weight and body composition
  • Synchronize step count and distance
  • Import historical data
  • Sync calories burned
Features
Read full description

Add your Fitbit data to the Health app with a simple click. For instance, if you have a Fitbit scale, your weight data will be synced in the Health app in one click. FitSynchronizer also allows you to synchronize data over a defined period, in order to sync your previous data. The app contains ads. FitSynchronizer managed data: - Weight - Body fat index - Body mass index - Step number - Number of floors - Distance (walking and running) - Calories while in activity - Calories while resting

Screenshots

Power Sync for Fitbit4 screens
Fitsynchronizer3 screens

Verdict

The call

The clearest difference is rating: Fitsynchronizer at 5.0 against Power Sync for Fitbit's 4.2. Fitsynchronizer also leads on in-app purchases (none vs 4). Power Sync for Fitbit's advantage is ads (none vs shown) and ratings volume (16K vs 2). On price, update cadence, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Power Sync for Fitbit sells 4 in-app purchases, starting at $1.99 per month. Fitsynchronizer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fitsynchronizer holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Power Sync for Fitbit has 16K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 27, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
Power Sync for Fitbit versus Fitsynchronizer: the parameters behind the verdict, then further details
ParameterPower Sync for FitbitFitsynchronizer
PriceFreeFree
Rating4.2 (16K ratings)5.0 (2 ratings) — better
Positive reviews19.5% of reviews—
Number of ratings16K — better2
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size59 MB29 MB
Age rating4+17+
DeveloperTouchberryMatthieu Boivineau

Customer experience

Power Sync for Fitbit

All ratings15,500 ratings
Positive79.0%
Neutral5.5%
Negative15.5%
Written reviews1,121 reviews
Positive19.5%
Neutral8.2%
Negative72.3%

Fitsynchronizer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Power Sync for Fitbit

Reported bugs

4 issues
  • Sync repeatedly fails
  • Adds duplicate data to Apple Health
  • Incorrectly syncs resting heart rate data
  • Syncs outdated/incorrect weight data

Requested features

3 requests
  • Add support for more Fitbit data types (heart rate, workouts, sleep stages)
  • Allow customization of sync frequency and timing
  • Improve auto-sync reliability and functionality

Fitsynchronizer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Power Sync for Fitbit

Subscriptions2
  • Auto Sync for A Month$1.991 Month
  • Auto Sync for A Year$7.991 Year
One-time2
  • Auto Sync to Health App$1.99
  • Auto Sync for Entire Life$14.99
None

Fitsynchronizer

No in-app purchases

Questions

Is Power Sync for Fitbit free?
Power Sync for Fitbit is free to download, with in-app purchases available.
Is Fitsynchronizer free?
Fitsynchronizer is free to download, with no in-app purchases.
Which has better reviews, Power Sync for Fitbit or Fitsynchronizer?
Fitsynchronizer is rated higher. Power Sync for Fitbit averages 4.2 out of 5 from 16K ratings, while Fitsynchronizer averages 5.0 from 2 ratings.
Do Power Sync for Fitbit or Fitsynchronizer have ads?
Fitsynchronizer shows ads; Power Sync for Fitbit does not.
Which is updated more often, Power Sync for Fitbit or Fitsynchronizer?
Power Sync for Fitbit ships an update every 2 months, and Fitsynchronizer every 2 months. Most recently, Power Sync for Fitbit was updated on September 27, 2026 and Fitsynchronizer on September 10, 2026.

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