# iRadTech ESP vs RX

The clearest difference is price: RX at Free against iRadTech ESP's $9.99. RX also leads on update cadence (every 6 months vs every 24 months). iRadTech ESP's advantage is ads (none vs shown) and iOS requirement (11.0 vs 13.0). On in-app purchases and device support there is nothing between them.

RX is free to download; iRadTech ESP costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iRadTech ESP ships an update every 24 months, RX every 6 months. The most recent releases landed on October 2, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iRadTech ESP | RX |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[4.6 (70 ratings)](https://appshunter.io/ios/app/rx-radiographic-positioning/id1533271633/reviews)** |
| Number of ratings | — | **70** |
| Positive reviews | — | 90.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Every 6 months** |
| Monetization | — | Free with in-app purchases |
| Size | 95 MB | 78 MB |
| Requires iOS | **11.0** | 13.0 |
| 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 ESP

[App page](https://appshunter.io/ios/app/iradtech-esp/id563141602)

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

**In-app purchases:** none


### RX

[App page](https://appshunter.io/ios/app/rx-radiographic-positioning/id1533271633)

Learn and visualize radiographic positioning for various body parts. This app provides technical details like patient position, chassis, focus, and utility for effective study. It offers visual examples to make learning more intuitive and enjoyable.

**Highlights:** Patient positioning guides, Technical factor details, Chassis and focus information, Visual radiograph examples, Intuitive study methods

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

**In-app purchases:** none

**What reviewers like**

- 👍 Very useful app
- 👍 Great for learning
- 👍 Good for quick doubts
- 👍 Helpful for beginners
- 👍 Clear and concise

**What reviewers complain about**

- 😠 Annoying ads
- 😠 Too many ads
- 😠 Ads make it unusable
- 😠 No offline option
- 😠 Ads appear during use

**Reported bugs**

- App not working without Wi-Fi
- Screen turns black when viewing positions
- All body parts showing 'skull' initially

**Requested features**

- Include veterinary radiology
- Add Italian language option
- Add finger X-rays (Roberts, thumb)
- Option for offline use
- Paid version to remove ads


## Frequently asked questions

### Is iRadTech ESP free?

iRadTech ESP costs $9.99, with no in-app purchases.

### Is RX free?

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

### Do iRadTech ESP or RX have ads?

RX shows ads; iRadTech ESP does not.

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

iRadTech ESP ships an update every 24 months, and RX every 6 months. Most recently, iRadTech ESP was updated on October 2, 2026 and RX on October 20, 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.*