# Hygrometer Barometer vs RoomAlyzer

The clearest difference is review sentiment: Hygrometer Barometer at 73% against RoomAlyzer's 0%. Hygrometer Barometer also leads on rating (4.3 vs 1.0) and ratings volume (152 vs 1). RoomAlyzer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Hygrometer Barometer sells 1 one-off in-app purchase. RoomAlyzer asks for nothing beyond the download.

Hygrometer Barometer holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Hygrometer Barometer has 152 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Hygrometer Barometer's written reviews are positive against 0% of RoomAlyzer's.

Hygrometer Barometer ships an update every 7 months, RoomAlyzer every 4 months. The most recent releases landed on September 22, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Hygrometer Barometer | RoomAlyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (152 ratings)](https://appshunter.io/ios/app/hygrometer-barometer/id888520226/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/roomalyzer/id1603087705/reviews) |
| Number of ratings | **152** | 1 |
| Positive reviews | **72.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 15 MB |
| Requires iOS | **13** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [IoT Fabrikken](https://appshunter.io/developer/1573581837) |

## What reviewers say

### Hygrometer Barometer

[App page](https://appshunter.io/ios/app/hygrometer-barometer/id888520226)

This app measures relative humidity and calculates the discomfort index using your current location. It displays humidity in a badge and offers barometric readings for compatible devices. Use it to gauge outdoor conditions for appropriate clothing choices.

**Highlights:** Measures relative humidity via GPS, Calculates discomfort index (DI), Displays humidity in badge, Barometric pressure readings (iPhone 6+), Outdoor humidity reference

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### RoomAlyzer

[App page](https://appshunter.io/ios/app/roomalyzer/id1603087705)

Monitor your indoor climate with this app, which displays data from your RoomAlyzer sensor. Track temperature, humidity, CO2, VOCs, noise, and light levels. Receive analyses, statistics, warnings, and a mould prognosis.

**Highlights:** Indoor climate data overview, Temperature and humidity tracking, CO2, VOC, noise, and light level monitoring, Mould prognosis, Sensor usage statistics, Warnings and notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hygrometer Barometer free?

Hygrometer Barometer is free to download, with in-app purchases available.

### Is RoomAlyzer free?

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

### Which has better reviews, Hygrometer Barometer or RoomAlyzer?

Hygrometer Barometer is rated higher. Hygrometer Barometer averages 4.3 out of 5 from 152 ratings, while RoomAlyzer averages 1.0 from 1 ratings.

### Do Hygrometer Barometer or RoomAlyzer have ads?

Hygrometer Barometer shows ads; RoomAlyzer does not.

### Which is updated more often, Hygrometer Barometer or RoomAlyzer?

Hygrometer Barometer ships an update every 7 months, and RoomAlyzer every 4 months. Most recently, Hygrometer Barometer was updated on September 22, 2026 and RoomAlyzer on June 4, 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.*