# APSA Pediatric Surgery Library vs RFF Index

The clearest difference is monetization model: RFF Index at free against APSA Pediatric Surgery Library's free with in-app purchases. RFF Index also leads on update cadence (every 3 months vs every 8 months). APSA Pediatric Surgery Library's advantage is ratings volume (205 vs 2) and device support (4 vs 2). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for APSA Pediatric Surgery Library against 5.0 for RFF Index. That said, the two scores are not equally well evidenced: APSA Pediatric Surgery Library has 205 ratings behind it against 2, so its average is the more settled of the two.

APSA Pediatric Surgery Library ships an update every 8 months, RFF Index every 3 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | APSA Pediatric Surgery Library | RFF Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (205 ratings)](https://appshunter.io/ios/app/apsa-pediatric-surgery-library/id1102819801/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rff-index/id1557635049/reviews)** |
| Number of ratings | **205** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 1 MB |
| Requires iOS | 15.0 | **14.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Edward Vendrow](https://appshunter.io/developer/1553335805) |

## What reviewers say

### APSA Pediatric Surgery Library

[App page](https://appshunter.io/ios/app/apsa-pediatric-surgery-library/id1102819801)

This app provides comprehensive pediatric surgery resources, including up-to-date clinical information, images, and videos. It also features a powerful search tool for medical literature, allowing quick access to abstracts, citations, and full-text articles.

**Highlights:** Pediatric Surgery NaT resource, Quarterly content updates, High-resolution images and videos, Advanced medical literature search, Links to PubMed articles, Custom notes and highlighting, Visual exploration of literature

**Features:** Vision Pro support

**In-app purchases:** none


### RFF Index

[App page](https://appshunter.io/ios/app/rff-index/id1557635049)

This app helps healthcare professionals quickly assess the baseline frailty of older adults admitted with traumatic rib fractures. It provides a risk score and estimates potential outcomes based on frailty levels. The tool is intended to supplement clinical judgment, not replace it.

**Highlights:** Frailty assessment for older adults, Rib fracture patient characterization, RFF score calculation, Risk of frailty identification, Population-level outcome estimates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is APSA Pediatric Surgery Library free?

APSA Pediatric Surgery Library is free to download, with no in-app purchases.

### Is RFF Index free?

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

### Which has better reviews, APSA Pediatric Surgery Library or RFF Index?

RFF Index is rated higher. APSA Pediatric Surgery Library averages 4.9 out of 5 from 205 ratings, while RFF Index averages 5.0 from 2 ratings.

### Do APSA Pediatric Surgery Library or RFF Index have ads?

Neither APSA Pediatric Surgery Library nor RFF Index shows ads.

### Which is updated more often, APSA Pediatric Surgery Library or RFF Index?

APSA Pediatric Surgery Library ships an update every 8 months, and RFF Index every 3 months. Most recently, APSA Pediatric Surgery Library was updated on October 22, 2026 and RFF Index on October 20, 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.*