# Device Guide vs Radiology Core

The clearest difference is price: Device Guide at Free against Radiology Core's $9.99. Device Guide also leads on review sentiment (57% vs 24%) and update cadence (every 3 months vs every 6 months). Radiology Core's advantage is chart position (#199 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Device Guide is free to download; Radiology Core costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Device Guide ships an update every 3 months, Radiology Core every 6 months. The most recent releases landed on June 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Device Guide | Radiology Core |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | — | **[2.9 (50 ratings)](https://appshunter.io/ios/app/radiology-core-physics-plus/id1225040758/reviews)** |
| Number of ratings | — | **50** |
| Positive reviews | **57.1% of reviews** | 23.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#199** |
| Size | 42 MB | 25 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fyra LLC](https://appshunter.io/developer/1232329461) | [Lieu Duong](https://appshunter.io/developer/1657425589) |

## 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


### Radiology Core

[App page](https://appshunter.io/ios/app/radiology-core-physics-plus/id1225040758)

**Currently charting:** #199 Top Paid · Medical (US App Store)

Prepare for the Radiology Core Exam's physics section with a premium resource. Access over 500 board-relevant questions with detailed explanations, covering all modalities and noninterpretive skills. The app is continually updated with new content to enhance your study time.

**Highlights:** Comprehensive physics review, Over 500 board-relevant questions, Full explanation for each question, Covers all modalities, Includes noninterpretive skills, Continually updated content

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

**In-app purchases:** none


## Frequently asked questions

### Is Device Guide free?

Device Guide is free to download, with no in-app purchases.

### Is Radiology Core free?

Radiology Core costs $9.99, with no in-app purchases.

### Do Device Guide or Radiology Core have ads?

Neither Device Guide nor Radiology Core shows ads.

### Which is updated more often, Device Guide or Radiology Core?

Device Guide ships an update every 3 months, and Radiology Core every 6 months. Most recently, Device Guide was updated on June 8, 2026 and Radiology Core on September 24, 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.*