# T.A.C.O vs AAOS Code

The clearest difference is rating: T.A.C.O at 3.0 against AAOS Code's 2.3. T.A.C.O also leads on update cadence (monthly vs every 3 months) and iOS requirement (10.0 vs 12.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

T.A.C.O holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

T.A.C.O ships an update monthly, AAOS Code every 3 months. The most recent releases landed on September 8, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | T.A.C.O | AAOS Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/taco/id1442473419/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/aaos-code-x-lite-web/id1502942520/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 26 MB | 148 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The University of Texas Health Science Center at San Antonio](https://appshunter.io/developer/1317989919) | [Computer Architechs International Corporation](https://appshunter.io/developer/412546531) |

## What reviewers say

### T.A.C.O

[App page](https://appshunter.io/ios/app/taco/id1442473419)

This app enables real-time capture of clinical outcomes for research. It supports multiple studies and centers with HIPAA-compliant data collection and secure storage. The collected results aid in evaluating interventions and advancing clinical science.

**Highlights:** Real-time clinical outcome capture, HIPAA compliant data collection, Secure server storage, Supports multiple studies, Multi-center capability

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is T.A.C.O free?

T.A.C.O is free to download, with no in-app purchases.

### Is AAOS Code free?

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

### Which has better reviews, T.A.C.O or AAOS Code?

T.A.C.O is rated higher. T.A.C.O averages 3.0 out of 5 from 2 ratings, while AAOS Code averages 2.3 from 3 ratings.

### Do T.A.C.O or AAOS Code have ads?

Neither T.A.C.O nor AAOS Code shows ads.

### Which is updated more often, T.A.C.O or AAOS Code?

T.A.C.O ships an update monthly, and AAOS Code every 3 months. Most recently, T.A.C.O was updated on September 8, 2026 and AAOS Code on July 7, 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.*