# HR & SpO2 vs RunTrace

The clearest difference is in-app purchases: HR & SpO2 at none against RunTrace's 3. HR & SpO2 also leads on update cadence (every 11 days vs every 2 months). RunTrace's advantage is iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. RunTrace sells 3 in-app purchases, starting at $4.99 per month. HR & SpO2 asks for nothing beyond the download.

HR & SpO2 ships an update every 11 days, RunTrace every 2 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HR & SpO2 | RunTrace |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Size | 5 MB | 10 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [晓玮 郭](https://appshunter.io/developer/1896738896) | [Dajiale](https://appshunter.io/developer/516546398) |

## What reviewers say

### HR & SpO2

[App page](https://appshunter.io/ios/app/hr-and-spo2-widget-union/id6773011614)

**Features:** Apple Watch app

**In-app purchases:** none


### RunTrace

[App page](https://appshunter.io/ios/app/runtrace-gps-running-tracker/id6798038580)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RunTrace Pro Monthly | $4.99 | per month |
| RunTrace Pro Yearly | $29.99 | per year |
| RunTrace Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is HR & SpO2 free?

HR & SpO2 is free to download, with no in-app purchases.

### Is RunTrace free?

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

### Do HR & SpO2 or RunTrace have ads?

Neither HR & SpO2 nor RunTrace shows ads.

### Which is updated more often, HR & SpO2 or RunTrace?

HR & SpO2 ships an update every 11 days, and RunTrace every 2 months. Most recently, HR & SpO2 was updated on November 9, 2026 and RunTrace 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.*