# FM App vs MSK Sono

The clearest difference is review sentiment: MSK Sono at 100% against FM App's 57%. MSK Sono also leads on rating (5.0 vs 1.8) and update cadence (every 6 days vs every 40 months). FM App's advantage is in-app purchases (none vs 6) and iOS requirement (14.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. MSK Sono sells 6 in-app purchases, starting at $29.99 per month. FM App asks for nothing beyond the download.

MSK Sono holds the better App Store score, 5.0 against 1.8. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews point the same way: 57% of FM App's written reviews are positive against 100% of MSK Sono's.

FM App ships an update every 40 months, MSK Sono every 6 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | FM App | MSK Sono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (4 ratings)](https://appshunter.io/ios/app/fm-app/id1440158891/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/msk-sono-ultrasound-guide/id6765696708/reviews)** |
| Number of ratings | 4 | **12** |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#86** |
| Size | 216 MB | 99 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Piccin Nuova Libraria S.p.A.](https://appshunter.io/developer/570971898) | [The Bold Apps](https://appshunter.io/developer/1778750149) |

## What reviewers say

### FM App

[App page](https://appshunter.io/ios/app/fm-app/id1440158891)

This medical app helps practitioners quickly locate CCs and CFs, access treatment information, and identify antagonist points. It provides visual aids for body segments and sequences to enhance patient care and improve skills in Fascial Manipulation.

**Highlights:** Locate CCs and CFs, View points by body segment, View points by sequence/diagonal, See best treatment positions, Find antagonist points instantly, Improve Fascial Manipulation skills

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

**In-app purchases:** none


### MSK Sono

[App page](https://appshunter.io/ios/app/msk-sono-ultrasound-guide/id6765696708)

**Currently charting:** #86 Top Grossing · Medical (US App Store)

Master musculoskeletal ultrasound with this comprehensive reference app. It provides step-by-step guides, detailed anatomy, and procedural instructions for clinicians and learners. Improve scanning accuracy and confidence in daily practice.

**Highlights:** Step-by-step scanning guides, Detailed sonographic anatomy, Ultrasound-guided injection techniques, Nerve block guidance, High-resolution ultrasound images, Probe positioning and orientation, MSK pathology reference library

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $29.99 | per month |
| premium | $99.00 | per year |
| premium | $129.00 | per year |
| Yearly | $199.99 | per year |
| Yearly | $249.00 | per year |
| Yearly | $249.99 | per year |


## Frequently asked questions

### Is FM App free?

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

### Is MSK Sono free?

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

### Which has better reviews, FM App or MSK Sono?

MSK Sono is rated higher. FM App averages 1.8 out of 5 from 4 ratings, while MSK Sono averages 5.0 from 12 ratings.

### Do FM App or MSK Sono have ads?

Neither FM App nor MSK Sono shows ads.

### Which is updated more often, FM App or MSK Sono?

FM App ships an update every 40 months, and MSK Sono every 6 days. Most recently, FM App was updated on October 24, 2026 and MSK Sono on October 28, 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.*