# APSA Pediatric Surgery Library vs Behind the Knife

The clearest difference is rating: APSA Pediatric Surgery Library at 4.9 against Behind the Knife's 4.0. APSA Pediatric Surgery Library also leads on review sentiment (100% vs 58%) and ratings volume (205 vs 20). Behind the Knife's advantage is update cadence (monthly vs every 8 months) and monetization model (free vs free with in-app purchases). 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.

APSA Pediatric Surgery Library holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: APSA Pediatric Surgery Library has 205 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 100% of APSA Pediatric Surgery Library's written reviews are positive against 58% of Behind the Knife's.

APSA Pediatric Surgery Library ships an update every 8 months, Behind the Knife monthly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | APSA Pediatric Surgery Library | Behind the Knife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (205 ratings)](https://appshunter.io/ios/app/apsa-pediatric-surgery-library/id1102819801/reviews)** | [4.0 (20 ratings)](https://appshunter.io/ios/app/behind-the-knife/id1672420049/reviews) |
| Number of ratings | **205** | 20 |
| Positive reviews | **100.0% of reviews** | 58.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 168 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Behind the Knife LLC](https://appshunter.io/developer/1672420051) |

## 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


### Behind the Knife

[App page](https://appshunter.io/ios/app/behind-the-knife/id1672420049)

This platform offers surgical education with high-yield topics and interviews with field leaders. It provides timely, relevant, and engaging content to help users succeed in their medical studies and careers.

**Highlights:** Surgical education platform, High-yield educational topics, Interviews with field leaders, Timely and relevant content, Engaging learning experience

**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 Behind the Knife free?

Behind the Knife is free to download, with no in-app purchases.

### Which has better reviews, APSA Pediatric Surgery Library or Behind the Knife?

APSA Pediatric Surgery Library is rated higher. APSA Pediatric Surgery Library averages 4.9 out of 5 from 205 ratings, while Behind the Knife averages 4.0 from 20 ratings.

### Do APSA Pediatric Surgery Library or Behind the Knife have ads?

Neither APSA Pediatric Surgery Library nor Behind the Knife shows ads.

### Which is updated more often, APSA Pediatric Surgery Library or Behind the Knife?

APSA Pediatric Surgery Library ships an update every 8 months, and Behind the Knife monthly. Most recently, APSA Pediatric Surgery Library was updated on November 2, 2026 and Behind the Knife on November 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.*