# Fitbit Sync to Health App vs Fitsynchronizer

The clearest difference is rating: Fitsynchronizer at 5.0 against Fitbit Sync to Health App's 4.1. Fitsynchronizer also leads on in-app purchases (none vs 4). Fitbit Sync to Health App's advantage is ratings volume (1.9K vs 2) and update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fitbit Sync to Health App sells 4 in-app purchases, starting at $9.99 per 7 days. Fitsynchronizer asks for nothing beyond the download.

Fitsynchronizer holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Fitbit Sync to Health App has 1.9K ratings behind it against 2, so its average is the more settled of the two.

Fitbit Sync to Health App ships an update fortnightly, Fitsynchronizer every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fitbit Sync to Health App | Fitsynchronizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (1.9K ratings)](https://appshunter.io/ios/app/fitbit-sync-to-health-app/id1637904679/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fitsynchronizer/id6447212554/reviews)** |
| Number of ratings | **1.9K** | 2 |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#163** | — |
| Size | 61 MB | 29 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Zamalabs Yazılım ve Bilgi Teknolojileri Limited Şirketi](https://appshunter.io/developer/1637867851) | [Matthieu Boivineau](https://appshunter.io/developer/1680598818) |

## What reviewers say

### Fitbit Sync to Health App

[App page](https://appshunter.io/ios/app/fitbit-sync-to-health-app/id1637904679)

**Currently charting:** #163 Top Free · Health & Fitness (US App Store)

Seamlessly transfer your health and fitness data from Fitbit devices to the Apple Health app. Automatically sync workouts, steps, heart rate, sleep patterns, and more with a modern interface and one-tap functionality.

**Highlights:** Sync Fitbit history to Apple Health, Automatic background data sync, Syncs all data fields, Workout log synchronization, Sleep analysis sync, One-tap sync feature

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $9.99 | per 7 days |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $39.99 | per year |
| Lifetime | $59.99 | one-time |

**What reviewers like**

- 🔄 Automatic Fitbit data syncing to Apple Health
- 📊 Comprehensive metric tracking (SPO2, respiratory rate, stress management)
- 😴 Complete sleep analysis data (awake, REM, core, deep sleep)
- 🎯 Advanced metrics capture that competitors miss
- ⏱️ Saves time on manual data entry

**What reviewers complain about**

- 💰 Misleading pricing and unexpected charges
- 🚫 Limited free features (steps only)
- 😤 Poor customer service responsiveness
- 🔐 Requires payment for basic functionality
- ⚠️ Subscription auto-renewal without clear notification

**Reported bugs**

- App crashes on launch or won't open
- Sync failures and error messages
- Data duplication when syncing multiple times daily
- Inconsistent syncing of sleep data
- Device pairing issues with iPhone

**Requested features**

- Heart rate variability (HRV) data syncing
- Prevent data duplication on multiple daily syncs
- Better sync intelligence to avoid duplicate entries


### Fitsynchronizer

[App page](https://appshunter.io/ios/app/fitsynchronizer/id6447212554)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fitbit Sync to Health App free?

Fitbit Sync to Health App 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, Fitbit Sync to Health App or Fitsynchronizer?

Fitsynchronizer is rated higher. Fitbit Sync to Health App averages 4.1 out of 5 from 1.9K ratings, while Fitsynchronizer averages 5.0 from 2 ratings.

### Do Fitbit Sync to Health App or Fitsynchronizer have ads?

Both Fitbit Sync to Health App and Fitsynchronizer show ads.

### Which is updated more often, Fitbit Sync to Health App or Fitsynchronizer?

Fitbit Sync to Health App ships an update fortnightly, and Fitsynchronizer every 2 months. Most recently, Fitbit Sync to Health App was updated on October 27, 2026 and Fitsynchronizer on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*