# NxGen Peak Flow vs VentRef

The clearest difference is iOS requirement: NxGen Peak Flow at 12.0 against VentRef's 26.0. 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.

## The numbers

| Metric | NxGen Peak Flow | VentRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (42 ratings)](https://appshunter.io/ios/app/ventref/id6756503414/reviews)** |
| Number of ratings | — | **42** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 55 MB | 27 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Safey Medical Devices Ltd](https://appshunter.io/developer/1551912769) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### NxGen Peak Flow

[App page](https://appshunter.io/ios/app/nxgen-peak-flow/id6727005153)

**In-app purchases:** none


### VentRef

[App page](https://appshunter.io/ios/app/ventref/id6756503414)

A clinical reference tool for healthcare professionals managing mechanical ventilation and oxygen therapy. It provides information grounded in respiratory physiology and evidence-based critical care.

**Highlights:** Mechanical ventilation reference, Oxygen therapy reference, Respiratory physiology, Evidence-based critical care, Clinical decision support

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

**In-app purchases:** none


## Frequently asked questions

### Is NxGen Peak Flow free?

NxGen Peak Flow is free to download, with no in-app purchases.

### Is VentRef free?

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

### Do NxGen Peak Flow or VentRef have ads?

Neither NxGen Peak Flow nor VentRef 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.*