# MedUltra vs US MSK

The clearest difference is price: US MSK at Free against MedUltra's $8.99. US MSK also leads on update cadence (every 6 weeks vs every 7 months). MedUltra's advantage is in-app purchases (none vs 2) and review sentiment (75% vs 50%). On ads and device support there is nothing between them.

US MSK is free to download; MedUltra costs $8.99 up front. US MSK sells 2 in-app purchases, starting at $0.99 per month. MedUltra asks for nothing beyond the download.

MedUltra ships an update every 7 months, US MSK every 6 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MedUltra | US MSK |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/medultra/id1121366132/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 50 MB | 31 MB |
| Requires iOS | **11.3** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Salus Sistemas Ltda](https://appshunter.io/developer/1531780011) | [Azul Systems](https://appshunter.io/developer/1460850225) |

## What reviewers say

### MedUltra

[App page](https://appshunter.io/ios/app/medultra/id1121366132)

This app provides instant access to a vast library of ultrasound measurements and reports for healthcare professionals. It simplifies daily tasks by consolidating information from numerous scientific articles into an intuitive interface with illustrative images.

**Highlights:** Instant access to ultrasound measurements, Streamlined report creation, Consolidated information from 80+ articles, Over 70 measurements included, 117 illustrative images, Intuitive user interface

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

**In-app purchases:** none


### US MSK

[App page](https://appshunter.io/ios/app/us-msk/id1611606746)

This medical app serves as an atlas for musculoskeletal ultrasound imaging of the upper and lower limbs. It provides detailed visual guidance for diagnostic procedures. The app offers a free trial for its subscription plans.

**Highlights:** Musculoskeletal ultrasound atlas, Upper limb imaging, Lower limb imaging, Diagnostic guidance, Free trial available

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $9.99 | per year |


## Frequently asked questions

### Is MedUltra free?

MedUltra costs $8.99, with no in-app purchases.

### Is US MSK free?

US MSK is free to download, with in-app purchases available.

### Do MedUltra or US MSK have ads?

Neither MedUltra nor US MSK shows ads.

### Which is updated more often, MedUltra or US MSK?

MedUltra ships an update every 7 months, and US MSK every 6 weeks. Most recently, MedUltra was updated on October 29, 2026 and US MSK on October 30, 2026.

---

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