Comparison

FitnessSyncer vs Fitsynchronizer

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

Head to head
About

FitnessSyncer

Consolidate health and fitness data from various apps and wearables into a single dashboard. Gain insights, track progress, and stay motivated on your wellness journey. Supports over 50 services for a comprehensive view of your health.

Highlights
  • Connects over 50 health and fitness apps/wearables
  • Consolidated dashboard for all health data
  • Visualize progress with charts and maps
  • Monitor shoe mileage for replacements
  • Automated data synchronization
  • Leaderboards for friendly competition
Read full description

Unify your health and fitness data across every app, wearable, and platform you use. Whether you are starting out or a seasoned athlete, choose the best app or wearable for each activity and FitnessSyncer brings it all together. CONNECT YOUR APPS * Sync from more than 50 apps and wearables, including Apple Health, Coros, Dexcom, Fitbit, Garmin Connect, Hammerhead, Hevy, Keto-Mojo, Oura, Polar, Rouvy, Strava, Suunto, TrainerDay, TrainingPeaks, Ultrahuman, Wahoo, Withings, Whoop, and Zepp Amazfit. Full list: https://www.fitnesssyncer.com/support/supported-apps-and-services * Unify activities, steps, sleep, body composition, blood pressure, glucose, cholesterol, nutrition, SpO2, temperature, ECG, cycle tracking, and more in one Dashboard. VISUALIZE YOUR DATA * Ready-made reports from day one: Health, Heart, Sleep, Diabetes, Body Composition, Blood Pressure, VO2 Max, Cycle Tracking, and ECG. Free tier included. * Trends: your last four weeks against the three months before, surfacing only what genuinely moved. * Stream: each workout with maps, heart rate charts, elevation profiles, and splits. * Compare: activities, nights of sleep, or ECG recordings side by side to see what changed. * Daily Analyzer, Your Best, Calendar, Maps, and Print: replay a day minute by minute, see your highlights, print for your doctor. EMPOWER YOUR DATA * Sync anywhere: move data between apps, trackers, and devices. * Goals, Alerts, and Leaderboards: set a target on any field, get told when you hit it, compete with friends anywhere. * Email Progress Reports: send progress to coaches, family, or friends. * ShoeRenew: track gear mileage so you know when to replace shoes or service equipment. * Notebook: record anything by hand and attach the lab report or scan with it. AI THAT KNOWS YOUR DATA * Connect FitnessSyncer to Claude, ChatGPT, Perplexity, or Mistral through our Model Context Protocol (MCP) server. * Ask in plain language how sleep tracked against training load, or what changed between two rides. * More than 40 tools let it act, not just answer: set goals, log to your Notebook, summarize ECG history. * You decide what it reaches, per scope, revocable at any time. APPLE HEALTH INTEGRATION * Read Apple Health data or supplement it from our 50+ sources. Enable Notifications to sync automatically. Free for up to 5 source or destination tasks. FitnessSyncer Pro adds unlimited sources and destinations, more Dashboard metrics, and dashboards you build on the web. Pro is $5.99/month or $59.99/year, billed to your Apple ID. Your subscription renews automatically unless canceled at least 24 hours before the end of the current period in your Apple ID account settings. FitnessSyncer is designed for general fitness and wellness purposes and is not intended for medical use. Terms: https://www.fitnesssyncer.com/about/terms.html — Privacy: https://www.fitnesssyncer.com/about/privacy-policy.html

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

FitnessSyncer4 screens
Fitsynchronizer3 screens

Verdict

The call

The clearest difference is rating: Fitsynchronizer at 5.0 against FitnessSyncer's 2.6. Fitsynchronizer also leads on in-app purchases (none vs 2) and update cadence (every 2 months vs every 4 months). FitnessSyncer's advantage is ads (none vs shown) and ratings volume (23 vs 2). On price, 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. FitnessSyncer sells 2 in-app purchases, starting at $5.99 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 2.6. That said, the two scores are not equally well evidenced: FitnessSyncer has 23 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

FitnessSyncer ships an update every 4 months, Fitsynchronizer every 2 months. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

Scorecard6 real differences · 4 level
FitnessSyncer versus Fitsynchronizer: the parameters behind the verdict, then further details
ParameterFitnessSyncerFitsynchronizer
PriceFreeFree
Rating2.6 (23 ratings)5.0 (2 ratings) — better
Positive reviews18.8% of reviews—
Number of ratings23 — better2
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size53 MB29 MB
Age rating+417+
DeveloperFX Development, Inc.Matthieu Boivineau

Customer experience

FitnessSyncer

All ratings23 ratings
Positive39.1%
Neutral4.3%
Negative56.5%
Written reviews48 reviews
Positive18.8%
Neutral4.2%
Negative77.1%

Fitsynchronizer

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

In-app purchases

2 purchases

FitnessSyncer

Subscriptions2
  • FitnessSyncer Pro Monthly Subscription$5.991 Month
  • FitnessSyncer Pro Annual Subscription$59.991 Year
None

Fitsynchronizer

No in-app purchases

Questions

Is FitnessSyncer free?
FitnessSyncer 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, FitnessSyncer or Fitsynchronizer?
Fitsynchronizer is rated higher. FitnessSyncer averages 2.6 out of 5 from 23 ratings, while Fitsynchronizer averages 5.0 from 2 ratings.
Do FitnessSyncer or Fitsynchronizer have ads?
Fitsynchronizer shows ads; FitnessSyncer does not.
Which is updated more often, FitnessSyncer or Fitsynchronizer?
FitnessSyncer ships an update every 4 months, and Fitsynchronizer every 2 months. Most recently, FitnessSyncer was updated on September 5, 2026 and Fitsynchronizer on September 10, 2026.

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