# RANVOO vs B

The clearest difference is update cadence: RANVOO at every 3 weeks against B's every 2 months. RANVOO also leads on iOS requirement (12.0 vs 15.6). 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.

RANVOO ships an update every 3 weeks, B every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RANVOO | B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/ranvoo/id6447061292/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 91 MB | 30 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Lanhe Technology Co., Ltd.](https://appshunter.io/developer/1612410355) | [BASMAN technology Co.,Ltd](https://appshunter.io/developer/1723822707) |

## 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


### B

[App page](https://appshunter.io/ios/app/b-mobility-vcu/id6781106694)

**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 B free?

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

### Do RANVOO or B have ads?

Neither RANVOO nor B shows ads.

### Which is updated more often, RANVOO or B?

RANVOO ships an update every 3 weeks, and B every 2 months. Most recently, RANVOO was updated on October 8, 2026 and B on October 10, 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.*