# RANVOO vs 专注力训练

The clearest difference is iOS requirement: RANVOO at 13.0 against 专注力训练's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | RANVOO | 专注力训练 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/ranvoo/id6447061292/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 79 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Lanhe Technology Co., Ltd.](https://appshunter.io/developer/1612410355) | [月霞 陈](https://appshunter.io/developer/1834548591) |

## What reviewers say

### RANVOO

[App page](https://appshunter.io/ios/app/ranvoo/id6447061292)

Control and manage various smart wearable devices, including neck fans, neck air conditioners, and heaters. Offers a convenient way to adjust settings and monitor your devices.

**Highlights:** Control neck fans, Manage neck air conditioners, Operate heaters, Device settings adjustment, Device monitoring

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

**In-app purchases:** none


### 专注力训练

[App page](https://appshunter.io/ios/app/id6820091695)

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

**In-app purchases:** none


## Frequently asked questions

### Is RANVOO free?

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

### Is 专注力训练 free?

专注力训练 is free to download, with no in-app purchases.

### Do RANVOO or 专注力训练 have ads?

Neither RANVOO nor 专注力训练 shows ads.

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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.*