# surgery guide vs STS Cardiothoracic Surgery

The clearest difference is iOS requirement: surgery guide at 6.0 against STS Cardiothoracic Surgery'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.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 16, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | surgery guide | STS Cardiothoracic Surgery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (205 ratings)](https://appshunter.io/ios/app/sts-cardiothoracic-surgery/id1530044637/reviews)** |
| Number of ratings | — | **205** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 14 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [rahul baweja](https://appshunter.io/developer/804610215) | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) |

## What reviewers say

### surgery guide

[App page](https://appshunter.io/ios/app/surgery-guide/id1077978386)

**Features:** macOS Compatibility

**In-app purchases:** none


### STS Cardiothoracic Surgery

[App page](https://appshunter.io/ios/app/sts-cardiothoracic-surgery/id1530044637)

This app is a comprehensive digital resource for cardiothoracic surgical information, offering updated content in cardiac and thoracic surgery. It features extensive multimedia, including illustrations, photographs, and surgical videos, for educational and reference purposes.

**Highlights:** Continuously updated surgical information, Multimedia content: illustrations, photos, videos, Covers general thoracic and cardiac surgery, Accessible on mobile devices 24/7, Interactive chapters, Based on leading textbooks and surgeon expertise

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is surgery guide free?

surgery guide is free to download, with no in-app purchases.

### Is STS Cardiothoracic Surgery free?

STS Cardiothoracic Surgery is free to download, with no in-app purchases.

### Do surgery guide or STS Cardiothoracic Surgery have ads?

Neither surgery guide nor STS Cardiothoracic Surgery shows ads.

### Which is updated more often, surgery guide or STS Cardiothoracic Surgery?

surgery guide ships an update every 4 months, and STS Cardiothoracic Surgery every 4 months. Most recently, surgery guide was updated on September 16, 2026 and STS Cardiothoracic Surgery on October 22, 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.*