# HR & SpO2 vs RunTrace

The clearest difference is price: HR & SpO2 at Free against RunTrace's $2.99. RunTrace's advantage is iOS requirement (18.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

HR & SpO2 is free to download; RunTrace costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | HR & SpO2 | RunTrace |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Size | 5 MB | 6 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-run-tracker/id6798038580)

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

**In-app purchases:** none


## Frequently asked questions

### Is HR & SpO2 free?

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

### Is RunTrace free?

RunTrace costs $2.99, with no in-app purchases.

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

Neither HR & SpO2 nor RunTrace shows ads.

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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.*