# RestOrTrain vs Vitals Sync

The clearest difference is in-app purchases: Vitals Sync at none against RestOrTrain's 6. Vitals Sync also leads on ads (none vs shown). RestOrTrain's advantage is rating (4.8 vs 4.3) and ratings volume (682 vs 6). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RestOrTrain sells 6 in-app purchases, starting at $14.99 per month. Vitals Sync asks for nothing beyond the download.

RestOrTrain holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: RestOrTrain has 682 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 62% of RestOrTrain's written reviews are positive against 50% of Vitals Sync's.

RestOrTrain ships an update every 4 days, Vitals Sync fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RestOrTrain | Vitals Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (682 ratings)](https://appshunter.io/ios/app/restortrain/id6752621455/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/vitals-sync/id6780623839/reviews) |
| Number of ratings | **682** | 6 |
| Positive reviews | **62.1% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 32 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [RESTORTRAIN SP Z O O](https://appshunter.io/developer/1840211761) | [UMUR GOKALP](https://appshunter.io/developer/1755886704) |

## What reviewers say

### RestOrTrain

[App page](https://appshunter.io/ios/app/restortrain/id6752621455)

This app uses AI to analyze your cycling training data, from individual workouts to your entire fitness history. It helps optimize your training plans based on your performance and recovery.

**Highlights:** AI-driven training analysis, Individual activity tracking, Fitness history evaluation, Personalized training optimization, Performance and recovery insights

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $14.99 | per month |
| PRO Monthly | $14.99 | per month |
| PRO Monthly | $14.99 | per month |
| PRO Annual | $134.99 | per year |
| PRO Annual | $134.99 | per year |
| PRO Annual | $134.99 | 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, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is RestOrTrain free?

RestOrTrain 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, RestOrTrain or Vitals Sync?

RestOrTrain is rated higher. RestOrTrain averages 4.8 out of 5 from 682 ratings, while Vitals Sync averages 4.3 from 6 ratings.

### Do RestOrTrain or Vitals Sync have ads?

RestOrTrain shows ads; Vitals Sync does not.

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

RestOrTrain ships an update every 4 days, and Vitals Sync fortnightly. Most recently, RestOrTrain was updated on October 30, 2026 and Vitals Sync on October 31, 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.*