# ProPatch Connect vs StethAid Lungs

The clearest difference is update cadence: ProPatch Connect at every 4 weeks against StethAid Lungs's every 7 months. StethAid Lungs's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProPatch Connect ships an update every 4 weeks, StethAid Lungs every 7 months. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ProPatch Connect | StethAid Lungs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/propatch-connect/id1569477430/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 11 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Lifeware Labs, LLC](https://appshunter.io/developer/1569477432) | [Auscultech DX](https://appshunter.io/developer/1532371245) |

## What reviewers say

### ProPatch Connect

[App page](https://appshunter.io/ios/app/propatch-connect/id1569477430)

This application streams vital signs from ProPatch devices, displaying real-time physiological data like heart rate, ECG, and SpO2 for investigational use by trained healthcare professionals on adult patients. It is intended for use in healthcare facilities and emergency medical applications.

**Highlights:** Stream vital signs from ProPatch devices, Display real-time physiological data, Monitor heart rate (HR), View single lead ECG, Track respiratory rate (RR), Measure skin temperature, Display PPG and SpO2

**In-app purchases:** none


### StethAid Lungs

[App page](https://appshunter.io/ios/app/stethaid-lungs/id1605130701)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProPatch Connect free?

ProPatch Connect is free to download, with no in-app purchases.

### Is StethAid Lungs free?

StethAid Lungs is free to download, with no in-app purchases.

### Do ProPatch Connect or StethAid Lungs have ads?

Neither ProPatch Connect nor StethAid Lungs shows ads.

### Which is updated more often, ProPatch Connect or StethAid Lungs?

ProPatch Connect ships an update every 4 weeks, and StethAid Lungs every 7 months. Most recently, ProPatch Connect was updated on June 1, 2026 and StethAid Lungs on September 22, 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.*