# RHXPlus vs VIVI DOG

The clearest difference is rating: VIVI DOG at 3.5 against RHXPlus's 2.9. VIVI DOG also leads on iOS requirement (12.0 vs 14). RHXPlus's advantage is ratings volume (41 vs 2). 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.

VIVI DOG holds the better App Store score, 3.5 against 2.9. That said, the two scores are not equally well evidenced: RHXPlus has 41 ratings behind it against 2, so its average is the more settled of the two.

RHXPlus ships an update every 2 months, VIVI DOG monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RHXPlus | VIVI DOG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (41 ratings)](https://appshunter.io/ios/app/rhxplus/id1452477464/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/vivi-dog/id6746872959/reviews)** |
| Number of ratings | **41** | 2 |
| Positive reviews | 29.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 105 MB | 44 MB |
| Requires iOS | 14 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晓阳 傅](https://appshunter.io/developer/1190038723) | [恩权 邱](https://appshunter.io/developer/1491134356) |

## What reviewers say

### RHXPlus

[App page](https://appshunter.io/ios/app/rhxplus/id1452477464)

This application allows users to edit LED displays with a full spectrum of colors and various gradient and background options. It offers a simple interface for creating custom LED designs.

**Highlights:** Full color support, Various lace patterns, Gradient schemes, Background options, Simple operation

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

**In-app purchases:** none


### VIVI DOG

[App page](https://appshunter.io/ios/app/vivi-dog/id6746872959)

Control and program a Bluetooth robot dog with this application. Explore different modes including control, programming, and sensing functionalities. Designed for interactive play and learning.

**Highlights:** Bluetooth robot dog control, Programming mode, Sensing mode, Interactive play, Educational features

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

**In-app purchases:** none


## Frequently asked questions

### Is RHXPlus free?

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

### Is VIVI DOG free?

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

### Which has better reviews, RHXPlus or VIVI DOG?

VIVI DOG is rated higher. RHXPlus averages 2.9 out of 5 from 41 ratings, while VIVI DOG averages 3.5 from 2 ratings.

### Do RHXPlus or VIVI DOG have ads?

Neither RHXPlus nor VIVI DOG shows ads.

### Which is updated more often, RHXPlus or VIVI DOG?

RHXPlus ships an update every 2 months, and VIVI DOG monthly. Most recently, RHXPlus was updated on October 26, 2026 and VIVI DOG on October 24, 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.*