# AAOS Code vs Membership App

The clearest difference is rating: Membership App at 3.8 against AAOS Code's 2.3. Membership App also leads on review sentiment (40% vs 0%) and ratings volume (19 vs 3). AAOS Code's advantage is iOS requirement (12.0 vs 15.1). 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.

Membership App holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: Membership App has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of AAOS Code's written reviews are positive against 40% of Membership App's.

AAOS Code ships an update every 3 months, Membership App every 6 weeks. The most recent releases landed on July 7, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | AAOS Code | Membership App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/aaos-code-x-lite-web/id1502942520/reviews) | **[3.8 (19 ratings)](https://appshunter.io/ios/app/membership-app-aaos/id1635988366/reviews)** |
| Number of ratings | 3 | **19** |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 148 MB | 49 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Computer Architechs International Corporation](https://appshunter.io/developer/412546531) | [American Academy of Orthopaedic Surgeons Mobile](https://appshunter.io/developer/549697931) |

## What reviewers say

### AAOS Code

[App page](https://appshunter.io/ios/app/aaos-code-x-lite-web/id1502942520)

This medical reference app provides orthopaedic CPT codes, ICD-10 codes, and RVUs for quick access on mobile devices. It allows users to search by code or body site, email patient information with codes, calculate Work RVUs, and save favorite codes.

**Highlights:** Orthopaedic CPT codes, ICD-10 codes, RVU calculations, Search by code and body site, Email patient information, Favorite code tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Membership App

[App page](https://appshunter.io/ios/app/membership-app-aaos/id1635988366)

Connect with thousands of orthopaedic professionals, access educational resources, and manage your membership on the go. This app helps you build your knowledge and network within the orthopaedic community.

**Highlights:** Connect with 38,000+ orthopaedic leaders, Member-to-member direct messaging, Access CME and online learning, Manage membership details, Find JAAOS and podcasts, Access Advocacy Center

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AAOS Code free?

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

### Is Membership App free?

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

### Which has better reviews, AAOS Code or Membership App?

Membership App is rated higher. AAOS Code averages 2.3 out of 5 from 3 ratings, while Membership App averages 3.8 from 19 ratings.

### Do AAOS Code or Membership App have ads?

Neither AAOS Code nor Membership App shows ads.

### Which is updated more often, AAOS Code or Membership App?

AAOS Code ships an update every 3 months, and Membership App every 6 weeks. Most recently, AAOS Code was updated on July 7, 2026 and Membership App on July 21, 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.*