# UnaInside vs MerryIoT Sensor

The clearest difference is update cadence: UnaInside at every 6 weeks against MerryIoT Sensor's every 5 months. 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.

UnaInside ships an update every 6 weeks, MerryIoT Sensor every 5 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | UnaInside | MerryIoT Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/merryiot-sensor/id1614807356/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | — | Free |
| Size | 21 MB | 33 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UnaBiz Co Ltd](https://appshunter.io/developer/1196183719) | [BROWAN COMMUNICATIONS INCORPORATION](https://appshunter.io/developer/1584963490) |

## What reviewers say

### UnaInside

[App page](https://appshunter.io/ios/app/unainside/id1508134298)

**Features:** macOS Compatibility

**In-app purchases:** none


### MerryIoT Sensor

[App page](https://appshunter.io/ios/app/merryiot-sensor/id1614807356)

Monitor your home's environment with this app. It tracks air quality, detects water leaks, and alerts you to unexpected movement, helping ensure a healthy and safe living space.

**Highlights:** Air quality monitoring, Water leak detection, Movement detection, Home safety alerts, Healthy home environment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UnaInside free?

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

### Is MerryIoT Sensor free?

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

### Do UnaInside or MerryIoT Sensor have ads?

Neither UnaInside nor MerryIoT Sensor shows ads.

### Which is updated more often, UnaInside or MerryIoT Sensor?

UnaInside ships an update every 6 weeks, and MerryIoT Sensor every 5 months. Most recently, UnaInside was updated on October 9, 2026 and MerryIoT Sensor on October 9, 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.*