# AAOS Code vs SRS Outcomes & Benchmarking

The clearest difference is update cadence: AAOS Code at every 3 months against SRS Outcomes & Benchmarking's every 9 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.

AAOS Code ships an update every 3 months, SRS Outcomes & Benchmarking every 9 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | AAOS Code | SRS Outcomes & Benchmarking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/aaos-code-x-lite-web/id1502942520/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 150 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Computer Architechs International Corporation](https://appshunter.io/developer/412546531) | [Scoliosis Research Society App](https://appshunter.io/developer/1406379325) |

## 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, Vision Pro support

**In-app purchases:** none


### SRS Outcomes & Benchmarking

[App page](https://appshunter.io/ios/app/srs-outcomes-and-benchmarking/id6446603975)

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

**In-app purchases:** none


## Frequently asked questions

### Is AAOS Code free?

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

### Is SRS Outcomes & Benchmarking free?

SRS Outcomes & Benchmarking is free to download, with no in-app purchases.

### Do AAOS Code or SRS Outcomes & Benchmarking have ads?

Neither AAOS Code nor SRS Outcomes & Benchmarking shows ads.

### Which is updated more often, AAOS Code or SRS Outcomes & Benchmarking?

AAOS Code ships an update every 3 months, and SRS Outcomes & Benchmarking every 9 months. Most recently, AAOS Code was updated on November 3, 2026 and SRS Outcomes & Benchmarking on November 3, 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.*