# APSA Pediatric Surgery Library vs Smile Train

The clearest difference is iOS requirement: Smile Train at 12.0 against APSA Pediatric Surgery Library's 15.0. 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.

APSA Pediatric Surgery Library ships an update every 8 months, Smile Train every 4 months. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | APSA Pediatric Surgery Library | Smile Train |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (205 ratings)](https://appshunter.io/ios/app/apsa-pediatric-surgery-library/id1102819801/reviews)** | — |
| Number of ratings | **205** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 64 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [BioDigital, Inc.](https://appshunter.io/developer/581713012) |

## 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


### Smile Train

[App page](https://appshunter.io/ios/app/smile-train/id1508571431)

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

**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 Smile Train free?

Smile Train is free to download, with no in-app purchases.

### Do APSA Pediatric Surgery Library or Smile Train have ads?

Neither APSA Pediatric Surgery Library nor Smile Train shows ads.

### Which is updated more often, APSA Pediatric Surgery Library or Smile Train?

APSA Pediatric Surgery Library ships an update every 8 months, and Smile Train every 4 months. Most recently, APSA Pediatric Surgery Library was updated on October 22, 2026 and Smile Train on October 27, 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.*