# Ultrasound Protocol HandBook vs Cube Note X

The clearest difference is in-app purchases: Cube Note X at none against Ultrasound Protocol HandBook's 2. Cube Note X also leads on iOS requirement (11.0 vs 13.2). Ultrasound Protocol HandBook's advantage is update cadence (every 3 months vs every 32 months). On price, ads and device support there is nothing between them.

Both are free to download. Ultrasound Protocol HandBook sells 2 one-off in-app purchases. Cube Note X asks for nothing beyond the download.

Ultrasound Protocol HandBook ships an update every 3 months, Cube Note X every 32 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ultrasound Protocol HandBook | Cube Note X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/ultrasound-protocol-handbook/id1598887923/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 32 months |
| Monetization | Subscription | — |
| Size | 21 MB | 28 MB |
| Requires iOS | 13.2 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Natalie Cauffman](https://appshunter.io/developer/1598887925) | [Alpinion Medical Systems Co., Ltd](https://appshunter.io/developer/702633589) |

## What reviewers say

### Ultrasound Protocol HandBook

[App page](https://appshunter.io/ios/app/ultrasound-protocol-handbook/id1598887923)

This app provides sonographers with a comprehensive resource for everyday use, featuring multiple exams, high-quality images, and normal measurement data. It helps users follow accreditation-worthy protocols and access pertinent lab values and sample worksheets.

**Highlights:** Multiple ultrasound exams, Hundreds of high-quality images, Normal measurement data, Accreditation-worthy protocols, Pertinent lab values, Sample worksheets, Patient preps

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Time Payment | $9.99 | one-time |
| Premium | $9.99 | one-time |


### Cube Note X

[App page](https://appshunter.io/ios/app/cube-note-x/id6447392172)

**In-app purchases:** none


## Frequently asked questions

### Is Ultrasound Protocol HandBook free?

Ultrasound Protocol HandBook is free to download, with in-app purchases available.

### Is Cube Note X free?

Cube Note X is free to download, with no in-app purchases.

### Do Ultrasound Protocol HandBook or Cube Note X have ads?

Neither Ultrasound Protocol HandBook nor Cube Note X shows ads.

### Which is updated more often, Ultrasound Protocol HandBook or Cube Note X?

Ultrasound Protocol HandBook ships an update every 3 months, and Cube Note X every 32 months. Most recently, Ultrasound Protocol HandBook was updated on October 30, 2026 and Cube Note X on October 25, 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.*