# mskNAV vs AAPM&R Learn

The clearest difference is rating: AAPM&R Learn at 4.8 against mskNAV's 4.5. AAPM&R Learn also leads on ratings volume (87 vs 11) and device support (3 vs 1). mskNAV's advantage is review sentiment (89% vs 75%) and iOS requirement (9.2 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

AAPM&R Learn holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: AAPM&R Learn has 87 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 89% of mskNAV's written reviews are positive against 75% of AAPM&R Learn's, so the app with the better star average is not the one people write more warmly about.

mskNAV ships an update every 2 months, AAPM&R Learn every 5 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | mskNAV | AAPM&R Learn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/msknav/id731034633/reviews) | **[4.8 (87 ratings)](https://appshunter.io/ios/app/aapm-and-r-learn/id1560599740/reviews)** |
| Number of ratings | 11 | **87** |
| Positive reviews | **88.9% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 1.7 GB | 27 MB |
| Requires iOS | **9.2** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [7D Imaging, Inc.](https://appshunter.io/developer/731034636) | [AMERICAN ACADEMY OF PHYSICAL MEDICINE AND REHABILITATION](https://appshunter.io/developer/1366504557) |

## What reviewers say

### mskNAV

[App page](https://appshunter.io/ios/app/msknav/id731034633)

Learn musculoskeletal ultrasound with interactive guides, labeled videos, and 3D anatomy. This comprehensive reference tool is designed for healthcare professionals and students to build confidence in MSK ultrasound anytime, anywhere.

**Highlights:** Comprehensive reference guides, Interactive ultrasound video clips, 3D labeled musculoskeletal anatomy, Step-by-step examination protocols, Pathology image libraries, Expert tips and pearls

**Features:** macOS Compatibility

**In-app purchases:** none


### AAPM&R Learn

[App page](https://appshunter.io/ios/app/aapm-and-r-learn/id1560599740)

This app provides PM&R physicians with access to educational resources and learning materials. It supports ongoing professional development across various career stages and expertise levels through online courses and live events.

**Highlights:** Online education resources, Virtual courses, Live event access, Career advancement support, Medical advances updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mskNAV free?

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

### Is AAPM&R Learn free?

AAPM&R Learn is free to download, with no in-app purchases.

### Which has better reviews, mskNAV or AAPM&R Learn?

AAPM&R Learn is rated higher. mskNAV averages 4.5 out of 5 from 11 ratings, while AAPM&R Learn averages 4.8 from 87 ratings.

### Do mskNAV or AAPM&R Learn have ads?

Neither mskNAV nor AAPM&R Learn shows ads.

### Which is updated more often, mskNAV or AAPM&R Learn?

mskNAV ships an update every 2 months, and AAPM&R Learn every 5 weeks. Most recently, mskNAV was updated on October 23, 2026 and AAPM&R Learn on October 24, 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.*