# Power Sync for Fitbit vs FITIV Sync for Fitbit Activity

The clearest difference is in-app purchases: FITIV Sync for Fitbit Activity at none against Power Sync for Fitbit's 4. FITIV Sync for Fitbit Activity also leads on rating (4.5 vs 4.2) and review sentiment (40% vs 20%). Power Sync for Fitbit's advantage is ratings volume (16K vs 1.6K) and iOS requirement (15.0 vs 17.0). On price, update cadence, ads and monetization model there is nothing between them.

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

FITIV Sync for Fitbit Activity holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Power Sync for Fitbit has 16K ratings behind it against 1.6K, so its average is the more settled of the two. Written reviews point the same way: 20% of Power Sync for Fitbit's written reviews are positive against 40% of FITIV Sync for Fitbit Activity's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Power Sync for Fitbit | FITIV Sync for Fitbit Activity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (16K ratings)](https://appshunter.io/ios/app/power-sync-for-fitbit/id1071544839/reviews) | **[4.5 (1.6K ratings)](https://appshunter.io/ios/app/fitiv-sync-for-fitbit-activity/id1367933587/reviews)** |
| Number of ratings | **16K** | 1.6K |
| Positive reviews | 19.5% of reviews | **39.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 27 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Touchberry](https://appshunter.io/developer/1071544838) | [MotiFIT Fitness Inc.](https://appshunter.io/developer/312613577) |

## What reviewers say

### Power Sync for Fitbit

[App page](https://appshunter.io/ios/app/power-sync-for-fitbit/id1071544839)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Sync for A Month | $1.99 | per month |
| Auto Sync for A Year | $7.99 | per year |
| Auto Sync to Health App | $1.99 | one-time |
| Auto Sync for Entire Life | $14.99 | one-time |

**What reviewers like**

- 👍 Simple and quick
- 🚀 Comprehensive data sync
- 💡 Allows Fitbit and Apple Health integration
- 🚀 Fast data transfer

**What reviewers complain about**

- 🐛 Sync issues and failures
- 🐛 Inaccurate data sync
- 🐛 Duplicates data
- 🐛 Auto-sync not working as expected
- 🔋 Drains battery when running in background

**Reported bugs**

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

**Requested features**

- 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


### 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


## Frequently asked questions

### Is Power Sync for Fitbit free?

Power Sync for Fitbit is free to download, with in-app purchases available.

### Is FITIV Sync for Fitbit Activity free?

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

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

FITIV Sync for Fitbit Activity is rated higher. Power Sync for Fitbit averages 4.2 out of 5 from 16K ratings, while FITIV Sync for Fitbit Activity averages 4.5 from 1.6K ratings.

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

Neither Power Sync for Fitbit nor FITIV Sync for Fitbit Activity shows ads.

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

Power Sync for Fitbit ships an update every 2 months, and FITIV Sync for Fitbit Activity every 2 months. Most recently, Power Sync for Fitbit was updated on September 27, 2026 and FITIV Sync for Fitbit Activity on September 26, 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.*