# Celsius Thermometer Plus vs HD Thermometer ⊎

The clearest difference is update cadence: HD Thermometer ⊎ at fortnightly against Celsius Thermometer Plus's every 7 months. HD Thermometer ⊎ also leads on ratings volume (13K vs 54) and chart position (#112 vs unranked). Celsius Thermometer Plus's advantage is rating (4.7 vs 4.3) and monetization model (ad-supported vs free with in-app purchases). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Celsius Thermometer Plus sells 1 one-off in-app purchase 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.

Celsius Thermometer Plus holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: HD Thermometer ⊎ has 13K ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 38% of Celsius Thermometer Plus's written reviews are positive against 37% of HD Thermometer ⊎'s.

Celsius Thermometer Plus ships an update every 7 months, HD Thermometer ⊎ fortnightly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Celsius Thermometer Plus | HD Thermometer ⊎ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (54 ratings)](https://appshunter.io/ios/app/celsius-thermometer-plus/id537067563/reviews)** | [4.3 (13K ratings)](https://appshunter.io/ios/app/hd-thermometer/id595482076/reviews) |
| Number of ratings | 54 | **13K** |
| Positive reviews | **38.5% of reviews** | 36.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | — | **#112** |
| Size | 11 MB | 48 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Christophe Pereira](https://appshunter.io/developer/1686588142) |

## What reviewers say

### Celsius Thermometer Plus

[App page](https://appshunter.io/ios/app/celsius-thermometer-plus/id537067563)

This app measures ambient temperature using GPS and displays it in Celsius, with a converter to Fahrenheit. It also includes a barometer and sunrise/sunset times. Useful for checking outdoor conditions and planning outfits.

**Highlights:** Ambient temperature measurement via GPS, Celsius to Fahrenheit conversion calculator, Barometric pressure sensor function, Sunrise and sunset time display, Temperature badge indicator

**Features:** Vision Pro support

**In-app purchases (1)**

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


### HD Thermometer ⊎

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

**Currently charting:** #112 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 Celsius Thermometer Plus free?

Celsius Thermometer Plus 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, Celsius Thermometer Plus or HD Thermometer ⊎?

Celsius Thermometer Plus is rated higher. Celsius Thermometer Plus averages 4.7 out of 5 from 54 ratings, while HD Thermometer ⊎ averages 4.3 from 13K ratings.

### Do Celsius Thermometer Plus or HD Thermometer ⊎ have ads?

Both Celsius Thermometer Plus and HD Thermometer ⊎ show ads.

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

Celsius Thermometer Plus ships an update every 7 months, and HD Thermometer ⊎ fortnightly. Most recently, Celsius Thermometer Plus was updated on September 22, 2026 and HD Thermometer ⊎ on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*