# Athalyze vs Vitals Sync

The clearest difference is review sentiment: Athalyze at 100% against Vitals Sync's 0%. Athalyze also leads on rating (5.0 vs 1.0) and ratings volume (5 vs 1). Vitals Sync's advantage is in-app purchases (none vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Athalyze sells 2 in-app purchases, starting at $9.99 per month. Vitals Sync asks for nothing beyond the download.

Athalyze holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Athalyze has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Athalyze's written reviews are positive against 0% of Vitals Sync's.

Athalyze ships an update every 2 weeks, Vitals Sync every 11 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Athalyze | Vitals Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/athalyze/id6471852530/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/vitals-sync/id6780623839/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 71 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Perimint LLC](https://appshunter.io/developer/1716079219) | [UMUR GOKALP](https://appshunter.io/developer/1755886704) |

## What reviewers say

### Athalyze

[App page](https://appshunter.io/ios/app/athalyze/id6471852530)

This platform unifies workout data from multiple devices, creating a single, accurate activity log. It allows users to compare metrics across devices, track personal bests, and visualize training trends for improved performance. Features include gear tracking and multi-device step challenges.

**Highlights:** Combine multi-device workout recordings, Select best data per metric for accuracy, Compare metrics across devices on one chart, Track personal records and best efforts, Visualize training curves and histograms, Monitor gear usage and mileage, Create and join multi-device step challenges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Athalyze Pro (Monthly) | $9.99 | per month |
| Athalyze Pro (Annual) | $99.99 | per year |


### Vitals Sync

[App page](https://appshunter.io/ios/app/vitals-sync/id6780623839)

This app imports key health metrics from your Garmin device that are not automatically synced to your phone's health app. It securely transfers HRV, Respiration, SpO₂, and VO₂ Max data directly from your device.

**Highlights:** Syncs HRV, Respiration, SpO₂, and VO₂ Max, Automatic background sync, No duplicate entries, Secure token-based authentication, On-device processing, No app account or tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Athalyze free?

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

### Is Vitals Sync free?

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

### Which has better reviews, Athalyze or Vitals Sync?

Athalyze is rated higher. Athalyze averages 5.0 out of 5 from 5 ratings, while Vitals Sync averages 1.0 from 1 ratings.

### Do Athalyze or Vitals Sync have ads?

Neither Athalyze nor Vitals Sync shows ads.

### Which is updated more often, Athalyze or Vitals Sync?

Athalyze ships an update every 2 weeks, and Vitals Sync every 11 days. Most recently, Athalyze was updated on October 2, 2026 and Vitals Sync on October 7, 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.*