# iRadTech HD vs Plumb's | Standards

The clearest difference is rating: Plumb's | Standards at 4.9 against iRadTech HD's 3.3. Plumb's | Standards also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 19 months). iRadTech HD's advantage is iOS requirement (12.0 vs 15.1). On price, review sentiment and ads there is nothing between them.

Both are free to download. iRadTech HD sells 1 one-off in-app purchase. Plumb's | Standards asks for nothing beyond the download.

Plumb's | Standards holds the better App Store score, 4.9 against 3.3. That said, the two scores are not equally well evidenced: Plumb's | Standards has 3.3K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of iRadTech HD's written reviews are positive against 57% of Plumb's | Standards's.

iRadTech HD ships an update every 19 months, Plumb's | Standards every 3 weeks. The most recent releases landed on June 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | iRadTech HD | Plumb's | Standards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/iradtech-hd/id473487610/reviews) | **[4.9 (3.3K ratings)](https://appshunter.io/ios/app/plumbs-standards/id1556729700/reviews)** |
| Number of ratings | 4 | **3.3K** |
| Positive reviews | 50.0% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 120 MB | 62 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Ballinger and Bruckner, LLP](https://appshunter.io/developer/692079862) | [Brief Media](https://appshunter.io/developer/1018418856) |

## What reviewers say

### iRadTech HD

[App page](https://appshunter.io/ios/app/iradtech-hd/id473487610)

A radiographic positioning guide for medical imaging professionals and students. It offers detailed instructions, image quality points, and technical factors for various positions, with an initial free version and an in-app purchase to unlock full content.

**Highlights:** Radiographic positioning guide, Detailed instructions, Image quality points, Suggested technical factors, Expandable images and radiographs, Notes panel for each position

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRadTech HD unlock exams | $24.99 | one-time |


### Plumb's | Standards

[App page](https://appshunter.io/ios/app/plumbs-standards/id1556729700)

This app provides trusted veterinary clinical decision support, integrating comprehensive drug information and treatment guidance. It offers tools for diagnosis, treatment, and client education, designed for veterinary professionals.

**Highlights:** Veterinary drug and dosing information, Drug interaction checker, Conversion calculator, Diagnosis and treatment monographs, Management algorithms, Differential diagnosis lists, Client education handouts

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Super helpful
- 👍 Excellent resource
- 👍 Very helpful and easy to use
- 👍 Worth the price
- 👍 Amazing app

**What reviewers complain about**

- 🐛 Signing in issues
- 🐛 Impossible to get an answer from Support
- 💰 Disappointed - Careful before purchasing!
- 🐛 No calculator
- 🐛 Imposible to renew

**Reported bugs**

- Signing in issues
- Crashing
- Login/password reset problems
- Compatibility issues on iPad

**Requested features**

- Add calculator function
- Improve renewal/subscription management


## Frequently asked questions

### Is iRadTech HD free?

iRadTech HD is free to download, with in-app purchases available.

### Is Plumb's | Standards free?

Plumb's | Standards is free to download, with no in-app purchases.

### Which has better reviews, iRadTech HD or Plumb's | Standards?

Plumb's | Standards is rated higher. iRadTech HD averages 3.3 out of 5 from 4 ratings, while Plumb's | Standards averages 4.9 from 3.3K ratings.

### Do iRadTech HD or Plumb's | Standards have ads?

Neither iRadTech HD nor Plumb's | Standards shows ads.

### Which is updated more often, iRadTech HD or Plumb's | Standards?

iRadTech HD ships an update every 19 months, and Plumb's | Standards every 3 weeks. Most recently, iRadTech HD was updated on June 3, 2026 and Plumb's | Standards on September 28, 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.*