# Keep Technologies vs RANVOO

Keep Technologies and RANVOO both sit at 4.2 stars, but that hides the real split: 80% of Keep Technologies's written reviews are positive against 33% of RANVOO's. Keep Technologies also leads on update cadence (weekly vs every 3 weeks) and ratings volume (33 vs 6). RANVOO's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 15.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. Keep Technologies sells 4 in-app purchases, starting at $9.99 per month. RANVOO asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for Keep Technologies against 4.3 for RANVOO. That said, the two scores are not equally well evidenced: Keep Technologies has 33 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 80% of Keep Technologies's written reviews are positive against 33% of RANVOO's.

Keep Technologies ships an update weekly, RANVOO every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Keep Technologies | RANVOO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (33 ratings)](https://appshunter.io/ios/app/keep-technologies/id1591955434/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/ranvoo/id6447061292/reviews)** |
| Number of ratings | **33** | 6 |
| Positive reviews | **80.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 178 MB | 79 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Keep Technologies](https://appshunter.io/developer/1591955766) | [Shenzhen Lanhe Technology Co., Ltd.](https://appshunter.io/developer/1612410355) |

## What reviewers say

### Keep Technologies

[App page](https://appshunter.io/ios/app/keep-technologies/id1591955434)

This system provides vehicle safety and security with an easy-to-install device. It automatically arms and disarms, sends instant notifications for events, and allows live video review. A monitoring service offers 24/7 peace of mind.

**Highlights:** Automatic arming/disarming, Instant event notifications, Live video review, 24/7 monitoring service, Easy installation

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cellular Connectivity Monthly | $9.99 | per month |
| Cellular Connectivity Monthly | $9.99 | per month |
| Cellular Connectivity Annual | $99.99 | per year |
| Cellular Connectivity Annual | $99.99 | per year |


### 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


## Frequently asked questions

### Is Keep Technologies free?

Keep Technologies is free to download, with in-app purchases available.

### Is RANVOO free?

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

### Which has better reviews, Keep Technologies or RANVOO?

RANVOO is rated higher. Keep Technologies averages 4.2 out of 5 from 33 ratings, while RANVOO averages 4.3 from 6 ratings.

### Do Keep Technologies or RANVOO have ads?

Neither Keep Technologies nor RANVOO shows ads.

### Which is updated more often, Keep Technologies or RANVOO?

Keep Technologies ships an update weekly, and RANVOO every 3 weeks. Most recently, Keep Technologies was updated on November 3, 2026 and RANVOO on October 25, 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.*