# NBRC Exam Mastery vs VentRef

The clearest difference is price: VentRef at Free against NBRC Exam Mastery's $39.99. NBRC Exam Mastery's advantage is iOS requirement (14.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

VentRef is free to download; NBRC Exam Mastery costs $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | NBRC Exam Mastery | VentRef |
| --- | --- | --- |
| Price | $39.99 | **Free** |
| Rating | — | **[5.0 (44 ratings)](https://appshunter.io/ios/app/ventref/id6756503414/reviews)** |
| Number of ratings | — | **44** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 224 MB | 27 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [iCert Inc.](https://appshunter.io/developer/1650970619) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### NBRC Exam Mastery

[App page](https://appshunter.io/ios/app/nbrc-exam-mastery/id6742305885)

**Features:** macOS Compatibility

**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 NBRC Exam Mastery free?

NBRC Exam Mastery costs $39.99, with no in-app purchases.

### Is VentRef free?

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

### Do NBRC Exam Mastery or VentRef have ads?

Neither NBRC Exam Mastery nor VentRef shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*