Fitsynchronizer vs Fitbit Health Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Sync Fitbit data to Health app
- Transfer weight and body composition
- Synchronize step count and distance
- Import historical data
- Sync calories burned
Read full descriptionHide 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
Fitbit Health Sync
This utility app securely connects your Fitbit account to Apple Health, syncing vital health metrics like weight, steps, and sleep. Keep your health profile updated across your iPhone and other fitness applications with ease.
- Secure Fitbit OAuth sign-in
- Sync to Apple Health with duplicate protection
- Manual sync option
- Background sync
- Syncs Body Weight, Body Fat Percentage, Steps, Sleep, Resting Heart Rate, Active Energy
- Privacy-first design
Read full descriptionHide full description
Fitbit Health Sync makes it simple to bring your Fitbit data into Apple Health.Connect your Fitbit account securely, then sync key health metrics so your Apple Health profile stays up to date for use across your iPhone and connected fitness apps.Features: • Secure Fitbit OAuth sign-in • Sync to Apple Health with duplicate protection • Manual sync anytime • Best-effort periodic background sync on iPhone • Clear activity logs and sync statusSupported metrics: • Body Weight • Body Fat Percentage • Steps • Sleep • Resting Heart Rate • Active EnergyPrivacy-first design: • Data is processed on-device • Fitbit tokens stored securely in Keychain • No medical advice; this app is a data sync utilityNote: Background sync timing is managed by iOS and may vary based on device conditions, battery mode, and system scheduling.
Screenshots
Verdict
The clearest difference is rating: Fitsynchronizer at 5.0 against Fitbit Health Sync's 2.0. Fitsynchronizer also leads on iOS requirement (15.0 vs 17.0). Fitbit Health Sync's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fitsynchronizer holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Fitsynchronizer ships an update every 2 months, Fitbit Health Sync every 6 weeks. The most recent releases landed on September 10, 2026 and July 9, 2026 respectively.
| Parameter | Fitsynchronizer | Fitbit Health Sync |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 2.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 29 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | Matthieu Boivineau | Praveen Murugesan |
In-app purchases
Fitsynchronizer
No in-app purchases
Fitbit Health Sync
No in-app purchases
