# RZ vs VP2

The clearest difference is iOS requirement: RZ at 8.0 against VP2's 14. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RZ | VP2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/rz-wd6/id1439409560/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 44 MB | 401 MB |
| Requires iOS | **8.0** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Hunan RamZed Medical Imaging Technology Co., Ltd](https://appshunter.io/developer/1394372494) | [Shantou Institute of Ultrasonic Inst. Co., Ltd.](https://appshunter.io/developer/406261738) |

## What reviewers say

### RZ

[App page](https://appshunter.io/ios/app/rz-wd6/id1439409560)

This medical imaging app connects wirelessly to a handheld ultrasound system, allowing users to control imaging parameters and modes in real-time. It offers a user-friendly interface for easy operation on iOS devices.

**Highlights:** Real-time imaging, Wireless network connection, Parameter control, Mode switching, Touch and gesture operation, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### VP2

[App page](https://appshunter.io/ios/app/vp2/id1589939631)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RZ free?

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

### Is VP2 free?

VP2 is free to download, with no in-app purchases.

### Do RZ or VP2 have ads?

Neither RZ nor VP2 shows ads.

### Which is updated more often, RZ or VP2?

RZ ships an update every 3 months, and VP2 every 3 months. Most recently, RZ was updated on November 2, 2026 and VP2 on November 3, 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.*