# Upper Respiratory Virtual Lab vs VentRef

The clearest difference is rating: VentRef at 5.0 against Upper Respiratory Virtual Lab's 4.4. VentRef also leads on update cadence (every 3 weeks vs every 20 months) and review sentiment (100% vs 84%). Upper Respiratory Virtual Lab's advantage is iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VentRef holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: VentRef has 44 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 84% of Upper Respiratory Virtual Lab's written reviews are positive against 100% of VentRef's.

Upper Respiratory Virtual Lab ships an update every 20 months, VentRef every 3 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Upper Respiratory Virtual Lab | VentRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (8 ratings)](https://appshunter.io/ios/app/upper-respiratory-virtual-lab/id435530624/reviews) | **[5.0 (44 ratings)](https://appshunter.io/ios/app/ventref/id6756503414/reviews)** |
| Number of ratings | 8 | **44** |
| Positive reviews | 84.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 169 MB | 27 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [Augusta University](https://appshunter.io/developer/319778530) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### Upper Respiratory Virtual Lab

[App page](https://appshunter.io/ios/app/upper-respiratory-virtual-lab/id435530624)

Explore upper airway anatomy in a 3D simulator. Access clinical information, photographs, and illustrations through tappable targets. Offers detailed views and easy navigation for a unique learning experience.

**Highlights:** 3D upper airway simulation, Tappable anatomical targets, Clinical information access, Detailed anatomical structure views, Cross-section overview, Free-range navigation

**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 Upper Respiratory Virtual Lab free?

Upper Respiratory Virtual Lab is free to download, with no in-app purchases.

### Is VentRef free?

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

### Which has better reviews, Upper Respiratory Virtual Lab or VentRef?

VentRef is rated higher. Upper Respiratory Virtual Lab averages 4.4 out of 5 from 8 ratings, while VentRef averages 5.0 from 44 ratings.

### Do Upper Respiratory Virtual Lab or VentRef have ads?

Neither Upper Respiratory Virtual Lab nor VentRef shows ads.

### Which is updated more often, Upper Respiratory Virtual Lab or VentRef?

Upper Respiratory Virtual Lab ships an update every 20 months, and VentRef every 3 weeks. Most recently, Upper Respiratory Virtual Lab was updated on October 7, 2026 and VentRef on October 10, 2026.

---

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