# Scanbooster Control sonography vs echOpen ON

The clearest difference is in-app purchases: echOpen ON at none against Scanbooster Control sonography's 1. Scanbooster Control sonography's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Scanbooster Control sonography sells 1 in-app purchase, starting at $9.99 per month. echOpen ON asks for nothing beyond the download.

Scanbooster Control sonography ships an update every 3 weeks, echOpen ON every 4 months. The most recent releases landed on September 16, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Scanbooster Control sonography | echOpen ON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/scanbooster-control-sonography/id1407858978/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 108 MB | 67 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Scanbooster UG (haftungsbeschraenkt)](https://appshunter.io/developer/1407339988) | [echopen factory](https://appshunter.io/developer/1530808488) |

## What reviewers say

### Scanbooster Control sonography

[App page](https://appshunter.io/ios/app/scanbooster-control-sonography/id1407858978)

Transform your smartphone into a virtual ultrasound probe for realistic sonography practice. Control simulations on a second device, learn probe movements, and enhance diagnostic skills in a flexible, affordable environment.

**Highlights:** Virtual ultrasound probe simulation, Control ultrasound simulator on second device, Realistic probe movement practice, Practice with normal and pathological findings, Enhance diagnostic abilities, Affordable training alternative

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanbooster Control sonography | $9.99 | per month |


### echOpen ON

[App page](https://appshunter.io/ios/app/echopen-on/id1664469384)

**In-app purchases:** none


## Frequently asked questions

### Is Scanbooster Control sonography free?

Scanbooster Control sonography is free to download, with in-app purchases available.

### Is echOpen ON free?

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

### Do Scanbooster Control sonography or echOpen ON have ads?

Neither Scanbooster Control sonography nor echOpen ON shows ads.

### Which is updated more often, Scanbooster Control sonography or echOpen ON?

Scanbooster Control sonography ships an update every 3 weeks, and echOpen ON every 4 months. Most recently, Scanbooster Control sonography was updated on September 16, 2026 and echOpen ON on September 12, 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.*