NxGen Peak Flow vs VentRef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NxGen Peak Flow
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The NxGen Peak Flow App helps you conduct lung tests seamlessly and conveniently at home. Jurisdiction statement:- This app connects with NxGen Peak Flow Meter(powered by Safey) which are approved by US FDA department for use in USA. Medical Disclaimer - The NxGen Peak Flow Meter device is used for respiratory diagnosis. A layman user should not make any medical decisions based on the output from the Device and the App. Only a licensed healthcare professional can make medical decisions based on the data from the Device and the App.
VentRef
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.
- Mechanical ventilation reference
- Oxygen therapy reference
- Respiratory physiology
- Evidence-based critical care
- Clinical decision support
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VentRef is a focused clinical reference for clinicians managing invasive and noninvasive mechanical ventilation and oxygen therapy, grounded in core respiratory physiology and evidence-based critical care practice. This application is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Calculations and reference values are derived from published peer-reviewed medical literature and textbooks cited in the Sources section of the app. Always seek the guidance of a qualified healthcare professional with any questions regarding medical conditions or clinical decisions, and do not disregard or delay seeking professional advice because of information provided by this app. About Rishi Kumar, MD, FACC ("RK.MD") I'm an adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist practicing in academic medicine. I'm passionate about teaching with free, open-access medical education. Learn more on my site: https://rk.md
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | NxGen Peak Flow | VentRef |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (42 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 42 — better |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 55 MB | 27 MB |
| Age rating | 17+ | 17+ |
| Developer | Safey Medical Devices Ltd | Rishi Kumar |
In-app purchases
NxGen Peak Flow
No in-app purchases
VentRef
No in-app purchases
