# MY USG vs TD MASTER CLASS

The clearest difference is in-app purchases: MY USG at none against TD MASTER CLASS's 1. MY USG also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TD MASTER CLASS sells 1 in-app purchase, starting at $999.00 per year. MY USG asks for nothing beyond the download.

MY USG ships an update every 2 months, TD MASTER CLASS every 6 weeks. The most recent releases landed on October 15, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | MY USG | TD MASTER CLASS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (11 ratings)](https://appshunter.io/ios/app/my-usg/id1606311898/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 137 MB | 72 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Konted](https://appshunter.io/developer/1186181609) | [AH MEDTECH SAS](https://appshunter.io/developer/1695655295) |

## What reviewers say

### MY USG

[App page](https://appshunter.io/ios/app/my-usg/id1606311898)

This application displays ultrasound images from a pocket scanner. It is intended for use within Chinese Mainland and provides reference images, not medical advice. Consult a physician for diagnosis and treatment.

**Highlights:** Displays ultrasound images, Connects with pocket ultrasound scanner, Free to download and use, Provides image reference, Jurisdiction-specific content

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

**In-app purchases:** none


### TD MASTER CLASS

[App page](https://appshunter.io/ios/app/td-master-class/id6450908485)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $999.00 | per year |


## Frequently asked questions

### Is MY USG free?

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

### Is TD MASTER CLASS free?

TD MASTER CLASS is free to download, with in-app purchases available.

### Do MY USG or TD MASTER CLASS have ads?

Neither MY USG nor TD MASTER CLASS shows ads.

### Which is updated more often, MY USG or TD MASTER CLASS?

MY USG ships an update every 2 months, and TD MASTER CLASS every 6 weeks. Most recently, MY USG was updated on October 15, 2026 and TD MASTER CLASS on September 15, 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.*