# Kai's Virtual Viewer vs Westmead ECMO App

The clearest difference is update cadence: Kai's Virtual Viewer at every 2 months against Westmead ECMO App's every 26 months. Kai's Virtual Viewer also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

Kai's Virtual Viewer ships an update every 2 months, Westmead ECMO App every 26 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kai's Virtual Viewer | Westmead ECMO App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/kais-virtual-viewer/id1460744916/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 26 months |
| Monetization | Free | — |
| Size | 351 MB | 100 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [Kai's Education Limited](https://appshunter.io/developer/1460744915) | [Western Sydney Local Health District](https://appshunter.io/developer/1566816197) |

## What reviewers say

### Kai's Virtual Viewer

[App page](https://appshunter.io/ios/app/kais-virtual-viewer/id1460744916)

This app brings physical robots to life in augmented reality, allowing users to code their movements and complete missions. It bridges the gap between the physical and virtual worlds for an interactive learning experience.

**Highlights:** Augmented Reality (AR) integration, Code robot movements, Complete virtual missions, Themed mat interaction, Cross-device coding (Kai Blockly), Virtual Reality (VR) mode available

**Features:** macOS Compatibility

**In-app purchases:** none


### Westmead ECMO App

[App page](https://appshunter.io/ios/app/westmead-ecmo-app/id6445968705)

**In-app purchases:** none


## Frequently asked questions

### Is Kai's Virtual Viewer free?

Kai's Virtual Viewer is free to download, with no in-app purchases.

### Is Westmead ECMO App free?

Westmead ECMO App is free to download, with no in-app purchases.

### Which is updated more often, Kai's Virtual Viewer or Westmead ECMO App?

Kai's Virtual Viewer ships an update every 2 months, and Westmead ECMO App every 26 months. Most recently, Kai's Virtual Viewer was updated on November 3, 2026 and Westmead ECMO App on October 25, 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.*