# VDA Pro vs MerryIoT Sensor

The clearest difference is rating: VDA Pro at 3.4 against MerryIoT Sensor's 1.0. VDA Pro also leads on update cadence (monthly vs every 5 months). MerryIoT Sensor's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

VDA Pro holds the better App Store score, 3.4 against 1.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

VDA Pro ships an update monthly, MerryIoT Sensor every 5 months. The most recent releases landed on June 6, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | VDA Pro | MerryIoT Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/vda-pro/id1533518485/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/merryiot-sensor/id1614807356/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | Free |
| Size | 169 MB | 33 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [InfraLytiks, Inc.](https://appshunter.io/developer/1375305992) | [BROWAN COMMUNICATIONS INCORPORATION](https://appshunter.io/developer/1584963490) |

## What reviewers say

### VDA Pro

[App page](https://appshunter.io/ios/app/vda-pro/id1533518485)

This app helps roofing and building inspectors create detailed condition reports for residential properties. It simplifies the assessment and evaluation process for contractors.

**Highlights:** Create condition reports, Residential property assessment, Simplified evaluations, For inspectors and contractors

**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 VDA Pro free?

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

### Is MerryIoT Sensor free?

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

### Which has better reviews, VDA Pro or MerryIoT Sensor?

VDA Pro is rated higher. VDA Pro averages 3.4 out of 5 from 5 ratings, while MerryIoT Sensor averages 1.0 from 2 ratings.

### Do VDA Pro or MerryIoT Sensor have ads?

Neither VDA Pro nor MerryIoT Sensor shows ads.

### Which is updated more often, VDA Pro or MerryIoT Sensor?

VDA Pro ships an update monthly, and MerryIoT Sensor every 5 months. Most recently, VDA Pro was updated on June 6, 2026 and MerryIoT Sensor on June 1, 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.*