# RRU APP vs My Lung PLUS

The clearest difference is in-app purchases: RRU APP at none against My Lung PLUS's 4. RRU APP also leads on update cadence (every 2 months vs every 14 months). My Lung PLUS's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. My Lung PLUS sells 4 in-app purchases, starting at $2.99 per month. RRU APP asks for nothing beyond the download.

RRU APP ships an update every 2 months, My Lung PLUS every 14 months. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RRU APP | My Lung PLUS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | — | Subscription |
| Size | 75 MB | 1.1 GB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Krung Thai Bank](https://appshunter.io/developer/383583054) | [Kanogwun Thongchote](https://appshunter.io/developer/1753240401) |

## What reviewers say

### RRU APP

[App page](https://appshunter.io/ios/app/rru-app/id1628069318)

**In-app purchases:** none


### My Lung PLUS

[App page](https://appshunter.io/ios/app/my-lung-plus/id6504674616)

Explore 3D lung and respiratory anatomy with augmented reality. Visualize surface, segmented, and sound-related lung structures. Ideal for health science students to enhance understanding and application in patient care.

**Highlights:** 3D lung anatomy models, Augmented Reality (AR) mode, Surface and segmented views, Lung sound visualization, Normal and abnormal breath sounds, Respiratory system structures

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 เดือน | $2.99 | per month |
| 6 เดือน | $3.99 | per 6 months |
| 1 ปี | $6.99 | per year |
| แอปตัวเต็ม | $7.99 | one-time |


## Frequently asked questions

### Is RRU APP free?

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

### Is My Lung PLUS free?

My Lung PLUS is free to download, with in-app purchases available.

### Do RRU APP or My Lung PLUS have ads?

Neither RRU APP nor My Lung PLUS shows ads.

### Which is updated more often, RRU APP or My Lung PLUS?

RRU APP ships an update every 2 months, and My Lung PLUS every 14 months. Most recently, RRU APP was updated on October 25, 2026 and My Lung PLUS on October 9, 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.*