# Hygrometer vs HD Thermometer ⊎

The clearest difference is rating: Hygrometer at 4.7 against HD Thermometer ⊎'s 4.3. Hygrometer also leads on review sentiment (53% vs 37%). HD Thermometer ⊎'s advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Hygrometer sells 2 one-off in-app purchases and HD Thermometer ⊎ sells 5 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Hygrometer holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 6.1K and 13K respectively. Written reviews point the same way: 53% of Hygrometer's written reviews are positive against 37% of HD Thermometer ⊎'s.

Hygrometer ships an update every 2 months, HD Thermometer ⊎ fortnightly. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Hygrometer | HD Thermometer ⊎ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.1K ratings)](https://appshunter.io/ios/app/hygrometer-humidity/id515673004/reviews)** | [4.3 (13K ratings)](https://appshunter.io/ios/app/hd-thermometer/id595482076/reviews) |
| Number of ratings | 6.1K | **13K** |
| Positive reviews | **53.0% of reviews** | 36.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #125 | **#109** |
| Size | 114 MB | 48 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MORETHAN APPS](https://appshunter.io/developer/473001840) | [Christophe Pereira](https://appshunter.io/developer/1686588142) |

## What reviewers say

### Hygrometer

[App page](https://appshunter.io/ios/app/hygrometer-humidity/id515673004)

**Currently charting:** #125 Top Free · Weather (US App Store)

This application provides real-time outdoor humidity readings for your current location. It features an easy-to-read analog design and is compatible with iPhone, iPad, and Apple Watch.

**Highlights:** Real-time outdoor humidity, Current location readings, Analog design, iPhone/iPad support, Apple Watch support

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |
| Buy me a coffee | $2.99 | one-time |

**What reviewers like**

- 🚀 Accurate humidity readings
- 👍 Simple and easy to use
- 👍 Helpful for monitoring humidity levels
- 👍 Useful for specific needs (e.g., guitar storage, painting)

**What reviewers complain about**

- 🐛 Inaccurate humidity readings
- 🐛 Inconsistent performance, app crashes
- 🔋 Drains battery
- 📍 Provides location-based data, not actual indoor measurements

**Reported bugs**

- App crashes on startup
- Humidity readings are wildly inaccurate
- Location tracking issues

**Requested features**

- Add temperature information
- Include indoor humidity monitoring
- Provide humidity trend/forecast
- Add ability to set humidity alerts/notifications


### HD Thermometer ⊎

[App page](https://appshunter.io/ios/app/hd-thermometer/id595482076)

**Currently charting:** #109 Top Free · Weather (US App Store)

Displays the current temperature for your location using a weather service. Offers a clean, rustic interface and allows saving multiple locations. Not a true thermometer, it relies on external data for accuracy.

**Highlights:** Current location temperature display, Rustic style interface, Save multiple locations, Clean and easy to use, Auto-save feature

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version, Monthly | $0.99 | per month |
| Premium Version, Yearly | $2.99 | per year |
| Premium features without ads | $1.99 | one-time |
| Premium features without ads | $2.99 | one-time |
| Premium features without ads | $5.99 | one-time |

**What reviewers like**

- ✅ Accurate
- 🚀 Simple and reliable
- 💻 Convenient for checking temperatures
- 🌍 Provides temperatures for multiple locations

**What reviewers complain about**

- 🚫 Does not measure indoor/room temperature
- 🤔 Relies on weather data rather than direct measurement
- 💰 Paid version required to remove ads
- 📍 Inaccurate location detection

**Reported bugs**

- Temperatures do not update when moving to a cooler/warmer location
- Paid version still shows ads

**Requested features**

- Add option to manually set location
- Implement direct temperature measurement for indoor use
- Allow rotation to landscape mode on tablets


## Frequently asked questions

### Is Hygrometer free?

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

### Is HD Thermometer ⊎ free?

HD Thermometer ⊎ is free to download, with in-app purchases available.

### Which has better reviews, Hygrometer or HD Thermometer ⊎?

Hygrometer is rated higher. Hygrometer averages 4.7 out of 5 from 6.1K ratings, while HD Thermometer ⊎ averages 4.3 from 13K ratings.

### Do Hygrometer or HD Thermometer ⊎ have ads?

Both Hygrometer and HD Thermometer ⊎ show ads.

### Which is updated more often, Hygrometer or HD Thermometer ⊎?

Hygrometer ships an update every 2 months, and HD Thermometer ⊎ fortnightly. Most recently, Hygrometer was updated on September 22, 2026 and HD Thermometer ⊎ on September 25, 2026.

### Which is more popular, Hygrometer or HD Thermometer ⊎?

Hygrometer currently peaks at #125 in the App Store charts, and HD Thermometer ⊎ at #109. Chart position reflects recent download velocity rather than total install base.

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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.*