# Device Guide vs Behind the Knife

The clearest difference is update cadence: Behind the Knife at every 5 weeks against Device Guide's every 3 months. Device Guide's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, 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.

Device Guide ships an update every 3 months, Behind the Knife every 5 weeks. The most recent releases landed on June 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Device Guide | Behind the Knife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (19 ratings)](https://appshunter.io/ios/app/behind-the-knife/id1672420049/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | 57.1% of reviews | **58.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 42 MB | 168 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fyra LLC](https://appshunter.io/developer/1232329461) | [Behind the Knife](https://appshunter.io/developer/1672420051) |

## What reviewers say

### Device Guide

[App page](https://appshunter.io/ios/app/device-guide/id514788717)

This medical app offers a comprehensive directory of vascular and coronary interventional devices for US and CE Mark markets. Easily search product specifications, company details, and web resources in a centralized tool. Regular updates ensure access to the latest product information.

**Highlights:** Vascular and coronary interventional device listing, US and CE Mark market coverage, Searchable product sizes and configurations, Company information and web resources, Regular product updates

**Features:** macOS Compatibility

**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 Device Guide free?

Device Guide 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.

### Do Device Guide or Behind the Knife have ads?

Neither Device Guide nor Behind the Knife shows ads.

### Which is updated more often, Device Guide or Behind the Knife?

Device Guide ships an update every 3 months, and Behind the Knife every 5 weeks. Most recently, Device Guide was updated on June 8, 2026 and Behind the Knife on September 19, 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.*