# Hygrometer Barometer vs スマート温湿度計

The clearest difference is in-app purchases: スマート温湿度計 at none against Hygrometer Barometer's 1. スマート温湿度計 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Hygrometer Barometer sells 1 one-off in-app purchase. スマート温湿度計 asks for nothing beyond the download.

Hygrometer Barometer ships an update every 7 months, スマート温湿度計 every 6 months. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Hygrometer Barometer | スマート温湿度計 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (152 ratings)](https://appshunter.io/ios/app/hygrometer-barometer/id888520226/reviews)** | — |
| Number of ratings | **152** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 34 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [RATOC Systems, Inc.](https://appshunter.io/developer/568725272) |

## 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 |


### スマート温湿度計

[App page](https://appshunter.io/ios/app/id6443804289)

**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 スマート温湿度計 free?

スマート温湿度計 is free to download, with no in-app purchases.

### Do Hygrometer Barometer or スマート温湿度計 have ads?

Hygrometer Barometer shows ads; スマート温湿度計 does not.

### Which is updated more often, Hygrometer Barometer or スマート温湿度計?

Hygrometer Barometer ships an update every 7 months, and スマート温湿度計 every 6 months. Most recently, Hygrometer Barometer was updated on September 22, 2026 and スマート温湿度計 on October 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.*