# Power Sync for Fitbit vs View Tracker SpO2 & Pulse rate

The clearest difference is rating: Power Sync for Fitbit at 4.2 against View Tracker SpO2 & Pulse rate's 2.5. Power Sync for Fitbit also leads on ratings volume (16K vs 2) and review sentiment (20% vs 0%). View Tracker SpO2 & Pulse rate's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases 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 and View Tracker SpO2 & Pulse rate sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Power Sync for Fitbit holds the better App Store score, 4.2 against 2.5. That said, the two scores are not equally well evidenced: Power Sync for Fitbit has 16K ratings behind it against 2, 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 0% of View Tracker SpO2 & Pulse rate's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Power Sync for Fitbit | View Tracker SpO2 & Pulse rate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (16K ratings)](https://appshunter.io/ios/app/power-sync-for-fitbit/id1071544839/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/view-tracker-spo2-and-pulse-rate/id1554990279/reviews) |
| Number of ratings | **16K** | 2 |
| Positive reviews | **20.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| 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 | 34 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Touchberry](https://appshunter.io/developer/1071544838) | [Leadtek](https://appshunter.io/developer/558798034) |

## 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


### View Tracker SpO2 & Pulse rate

[App page](https://appshunter.io/ios/app/view-tracker-spo2-and-pulse-rate/id1554990279)

This app records SpO2 and pulse rate during sleep using a Bluetooth fingertip pulse oximeter. It generates reports for doctors to analyze sleep conditions and make diagnoses. The app does not provide medical advice.

**Highlights:** SpO2 and pulse rate recording, Bluetooth fingertip oximeter pairing, Sleep report generation, SpO2 and pulse trend analysis, Downloadable PDF reports, Unlimited report downloads via subscription

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1Month unlimited report | $2.99 | per month |
| 6Months unlimited report | $6.99 | per 6 months |
| 1Year unlimited report | $10.99 | per year |


## Frequently asked questions

### Is Power Sync for Fitbit free?

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

### Is View Tracker SpO2 & Pulse rate free?

View Tracker SpO2 & Pulse rate is free to download, with in-app purchases available.

### Which has better reviews, Power Sync for Fitbit or View Tracker SpO2 & Pulse rate?

Power Sync for Fitbit is rated higher. Power Sync for Fitbit averages 4.2 out of 5 from 16K ratings, while View Tracker SpO2 & Pulse rate averages 2.5 from 2 ratings.

### Do Power Sync for Fitbit or View Tracker SpO2 & Pulse rate have ads?

Neither Power Sync for Fitbit nor View Tracker SpO2 & Pulse rate shows ads.

### Which is updated more often, Power Sync for Fitbit or View Tracker SpO2 & Pulse rate?

Power Sync for Fitbit ships an update every 2 months, and View Tracker SpO2 & Pulse rate every 2 months. Most recently, Power Sync for Fitbit was updated on November 6, 2026 and View Tracker SpO2 & Pulse rate 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.*