# iRadTech vs RX

The clearest difference is price: RX at Free against iRadTech's $24.99. iRadTech's advantage is ads (none vs shown) and chart position (#20 vs unranked). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

RX is free to download; iRadTech costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iRadTech ships an update every 8 months, RX every 5 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iRadTech | RX |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | **[4.6 (52 ratings)](https://appshunter.io/ios/app/iradtech/id346126006/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 85.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Paid | — |
| Best chart rank | **#20** | — |
| Size | 122 MB | 41 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ballinger and Bruckner, LLP](https://appshunter.io/developer/692079862) | [Fabricio Tarter](https://appshunter.io/developer/1533271635) |

## What reviewers say

### iRadTech

[App page](https://appshunter.io/ios/app/iradtech/id346126006)

**Currently charting:** #20 Top Paid · Medical, #181 Top Grossing · Medical (US App Store)

This app provides detailed instructions and technical factors for over 200 radiographic positions, serving as a comprehensive guide for medical imaging professionals and students. It includes representative images, positioning details, and helpful notes, designed to align with ARRT content specifications and ASRT curriculum.

**Highlights:** 200+ radiographic positions, Technical factors and settings, Patient and part positioning, Representative radiographic images, Enlargeable positioning photographs, Search and save functions, ARRT content alignment

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

**In-app purchases:** none


### RX

[App page](https://appshunter.io/ios/app/rx-calculadora-de-valores/id6450846564)

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

**In-app purchases:** none


## Frequently asked questions

### Is iRadTech free?

iRadTech costs $24.99, with no in-app purchases.

### Is RX free?

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

### Do iRadTech or RX have ads?

RX shows ads; iRadTech does not.

### Which is updated more often, iRadTech or RX?

iRadTech ships an update every 8 months, and RX every 5 months. Most recently, iRadTech was updated on November 10, 2026 and RX 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.*