# MerryIoT Sensor vs Quandify

The clearest difference is review sentiment: Quandify at 50% against MerryIoT Sensor's 0%. Quandify also leads on update cadence (fortnightly vs every 5 months). MerryIoT Sensor's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MerryIoT Sensor ships an update every 5 months, Quandify fortnightly. The most recent releases landed on June 1, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | MerryIoT Sensor | Quandify |
| --- | --- | --- |
| 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 | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 33 MB | 64 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BROWAN COMMUNICATIONS INCORPORATION](https://appshunter.io/developer/1584963490) | [Quandify AB](https://appshunter.io/developer/1422730207) |

## What reviewers say

### 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


### Quandify

[App page](https://appshunter.io/ios/app/quandify/id1662883477)

Monitor your home's water usage and prevent damage with this app. It allows you to manage connected devices, track consumption, detect leaks, and remotely shut off your water supply for enhanced safety.

**Highlights:** Water damage prevention, Track water consumption, Detect water leaks, Remote water shut-off, Device management

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

**In-app purchases:** none


## Frequently asked questions

### Is MerryIoT Sensor free?

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

### Is Quandify free?

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

### Do MerryIoT Sensor or Quandify have ads?

Neither MerryIoT Sensor nor Quandify shows ads.

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

MerryIoT Sensor ships an update every 5 months, and Quandify fortnightly. Most recently, MerryIoT Sensor was updated on June 1, 2026 and Quandify on August 16, 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.*