# FITIV Sync for Fitbit Activity vs Fitsynchronizer

The clearest difference is rating: Fitsynchronizer at 5.0 against FITIV Sync for Fitbit Activity's 4.5. Fitsynchronizer also leads on monetization model (ad-supported vs free with in-app purchases) and iOS requirement (15.0 vs 17.0). FITIV Sync for Fitbit Activity's advantage is ads (none vs shown) and ratings volume (1.6K vs 2). On price, update cadence, in-app purchases and device support there is nothing between them.

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 4.5. That said, the two scores are not equally well evidenced: FITIV Sync for Fitbit Activity has 1.6K ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | FITIV Sync for Fitbit Activity | Fitsynchronizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.6K ratings)](https://appshunter.io/ios/app/fitiv-sync-for-fitbit-activity/id1367933587/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fitsynchronizer/id6447212554/reviews)** |
| Number of ratings | **1.6K** | 2 |
| Positive reviews | 39.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 27 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MotiFIT Fitness Inc.](https://appshunter.io/developer/312613577) | [Matthieu Boivineau](https://appshunter.io/developer/1680598818) |

## What reviewers say

### FITIV Sync for Fitbit Activity

[App page](https://appshunter.io/ios/app/fitiv-sync-for-fitbit-activity/id1367933587)

This app synchronizes your Fitbit activity and health data with Apple Health. It allows for customizable data syncing, ensuring you can consolidate your fitness information across different iOS applications. Take control of your health history and integrate your data seamlessly.

**Highlights:** Sync Fitbit workouts to Apple Health, Sync Fitbit health metrics, Customizable data syncing, Sync Flights Climbed, Sync Steps, Sync Workouts, Sync Body Mass Index (BMI)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works as advertised
- 🚀 Seamless integration
- 💡 Transfers historical data

**What reviewers complain about**

- 🐛 Sync issues
- 🐛 Crashes
- 🐛 Compatibility problems
- 🔋 Unreliable sync

**Reported bugs**

- Sync failure
- Login issues
- Crashes on newer iOS versions

**Requested features**

- Automatic sync
- Support for heart rate data
- Overwrite existing data instead of duplicating


### 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 FITIV Sync for Fitbit Activity free?

FITIV Sync for Fitbit Activity is free to download, with no in-app purchases.

### Is Fitsynchronizer free?

Fitsynchronizer is free to download, with no in-app purchases.

### Which has better reviews, FITIV Sync for Fitbit Activity or Fitsynchronizer?

Fitsynchronizer is rated higher. FITIV Sync for Fitbit Activity averages 4.5 out of 5 from 1.6K ratings, while Fitsynchronizer averages 5.0 from 2 ratings.

### Do FITIV Sync for Fitbit Activity or Fitsynchronizer have ads?

Fitsynchronizer shows ads; FITIV Sync for Fitbit Activity does not.

### Which is updated more often, FITIV Sync for Fitbit Activity or Fitsynchronizer?

FITIV Sync for Fitbit Activity ships an update every 2 months, and Fitsynchronizer every 2 months. Most recently, FITIV Sync for Fitbit Activity was updated on September 23, 2026 and Fitsynchronizer on September 10, 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.*