# Fitness data vs Power Sync for Fitbit

The clearest difference is rating: Power Sync for Fitbit at 4.2 against Fitness data's 1.3. Power Sync for Fitbit also leads on ratings volume (16K vs 18) and review sentiment (20% vs 3%). Fitness data's advantage is in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 2 months). On price, ads and device support 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. Fitness data asks for nothing beyond the download.

Power Sync for Fitbit holds the better App Store score, 4.2 against 1.3. That said, the two scores are not equally well evidenced: Power Sync for Fitbit has 16K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 3% of Fitness data's written reviews are positive against 20% of Power Sync for Fitbit's.

Fitness data ships an update every 2 weeks, Power Sync for Fitbit every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Fitness data | Power Sync for Fitbit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (18 ratings)](https://appshunter.io/ios/app/fitness-data/id1067864007/reviews) | **[4.2 (16K ratings)](https://appshunter.io/ios/app/power-sync-for-fitbit/id1071544839/reviews)** |
| Number of ratings | 18 | **16K** |
| Positive reviews | 3.3% of reviews | **19.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 59 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [双超 陈](https://appshunter.io/developer/1454216279) | [Touchberry](https://appshunter.io/developer/1071544838) |

## What reviewers say

### Fitness data

[App page](https://appshunter.io/ios/app/fitness-data/id1067864007)

This app displays exercise data generated from fitness equipment via Bluetooth. It allows users to manage their workout statistics on their phone, set exercise goals, and conveniently view their progress.

**Highlights:** Bluetooth data transfer, Exercise data management, View workout statistics, Set exercise goals, Convenient data access

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Fitness data free?

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

### Is Power Sync for Fitbit free?

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

### Which has better reviews, Fitness data or Power Sync for Fitbit?

Power Sync for Fitbit is rated higher. Fitness data averages 1.3 out of 5 from 18 ratings, while Power Sync for Fitbit averages 4.2 from 16K ratings.

### Do Fitness data or Power Sync for Fitbit have ads?

Neither Fitness data nor Power Sync for Fitbit shows ads.

### Which is updated more often, Fitness data or Power Sync for Fitbit?

Fitness data ships an update every 2 weeks, and Power Sync for Fitbit every 2 months. Most recently, Fitness data was updated on November 2, 2026 and Power Sync for Fitbit on November 3, 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.*
