# Health Sync by appyhapps vs CTS ActivityLab

The clearest difference is rating: CTS ActivityLab at 5.0 against Health Sync by appyhapps's 4.3. CTS ActivityLab also leads on update cadence (every 2 days vs every 5 days). Health Sync by appyhapps's advantage is ratings volume (120 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Health Sync by appyhapps sells 1 one-off in-app purchase and CTS ActivityLab sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

CTS ActivityLab holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Health Sync by appyhapps has 120 ratings behind it against 1, so its average is the more settled of the two.

Health Sync by appyhapps ships an update every 5 days, CTS ActivityLab every 2 days. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Health Sync by appyhapps | CTS ActivityLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (120 ratings)](https://appshunter.io/ios/app/health-sync-by-appyhapps/id6480174471/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cts-activitylab/id6786826686/reviews)** |
| Number of ratings | **120** | 1 |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 22 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [appyhapps.nl B.V.](https://appshunter.io/developer/1715187791) | [CTS Media Group LLC](https://appshunter.io/developer/6786826688) |

## What reviewers say

### Health Sync by appyhapps

[App page](https://appshunter.io/ios/app/health-sync-by-appyhapps/id6480174471)

Seamlessly transfer your health and fitness data between various popular apps and devices. This tool automates background syncing, ensuring your information is up-to-date across your chosen platforms. Enjoy a week-long free trial to explore its capabilities before a one-time purchase unlocks full historical data syncing.

**Highlights:** Syncs data between health and fitness apps, Supports Apple Health, Fitbit, Garmin, Strava, and more, Automatic background syncing, Historical data sync option, Privacy-by-design approach, Easy-to-use interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No-Expiration License | $3.99 | one-time |


### CTS ActivityLab

[App page](https://appshunter.io/ios/app/cts-activitylab/id6786826686)

Analyze detailed fitness data from various sports devices. Compare multiple activities, inspect GPS accuracy, and visualize routes and statistics with powerful charts. Gain insights beyond basic watch metrics.

**Highlights:** Compare multiple activities side-by-side, Import activities from Apple Health, Analyze GPS accuracy and track quality, Inspect elevation and altitude data, Review sensor metrics (heart rate, pace, etc.), Visualize routes and statistics with charts, Compare device accuracy with custom algorithm

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CTS ActiveLab Monthly | $1.99 | per month |


## Frequently asked questions

### Is Health Sync by appyhapps free?

Health Sync by appyhapps is free to download, with in-app purchases available.

### Is CTS ActivityLab free?

CTS ActivityLab is free to download, with in-app purchases available.

### Which has better reviews, Health Sync by appyhapps or CTS ActivityLab?

CTS ActivityLab is rated higher. Health Sync by appyhapps averages 4.3 out of 5 from 120 ratings, while CTS ActivityLab averages 5.0 from 1 ratings.

### Do Health Sync by appyhapps or CTS ActivityLab have ads?

Neither Health Sync by appyhapps nor CTS ActivityLab shows ads.

### Which is updated more often, Health Sync by appyhapps or CTS ActivityLab?

Health Sync by appyhapps ships an update every 5 days, and CTS ActivityLab every 2 days. Most recently, Health Sync by appyhapps was updated on October 27, 2026 and CTS ActivityLab on October 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.*