# EF vs MY USG

The clearest difference is update cadence: MY USG at every 2 months against EF's every 48 months. On price, ads, in-app purchases and device support there is nothing between them.

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

EF ships an update every 48 months, MY USG every 2 months. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | EF | MY USG |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 22 MB | 137 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Keiji Matsui](https://appshunter.io/developer/365287272) | [Konted](https://appshunter.io/developer/1186181609) |

## What reviewers say

### EF

[App page](https://appshunter.io/ios/app/ef-ejection-fraction/id1342185936)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EF free?

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

### Is MY USG free?

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

### Do EF or MY USG have ads?

Neither EF nor MY USG shows ads.

### Which is updated more often, EF or MY USG?

EF ships an update every 48 months, and MY USG every 2 months. Most recently, EF was updated on October 16, 2026 and MY USG on October 19, 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.*