Celsius Thermometer Plus vs HD Thermometer ⊎
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Celsius Thermometer Plus
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.
- Ambient temperature measurement via GPS
- Celsius to Fahrenheit conversion calculator
- Barometric pressure sensor function
- Sunrise and sunset time display
- Temperature badge indicator
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The simple free digital thermometer application that measures the ambient temperature of the current location measured by GPS and displays it in degrees Celsius. The conversion calculator from Celsius to Fahrenheit with formula. Celsius temperature is indicated in the badge (below zero is 1000, 1005 is -5 ℃). Barometric function by pressure sensor (iPhone 6 / Plus or later). Because it is outdoor temperature rather than indoor temperature, it is a reference for outfit clothes. Some areas are excluded. Displays sunrise time and sunset time.
HD Thermometer ⊎
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.
- Current location temperature display
- Rustic style interface
- Save multiple locations
- Clean and easy to use
- Auto-save feature
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Real-time temperature, always accurate, wherever you are. HD Thermometer gives you accurate, real-time temperature readings for your current location and any city in the world. Simple to use, stunning to look at. Features • Real-time temperature for your current location • Pressure & humidity at a glance • Indoor temperature estimation • Save and monitor multiple locations — swipe to switch • Beautiful thermometer skins: classic analog, golden gauge, flat, and more "Works very well — a nice clean interface and easy to use!" "Very accurate and really easy to use and control." "Very simple. I like the auto-save and the ability to flip through locations." Privacy Policy: https://imaginatr.com/applications/hd-thermometer/privacy Terms of Service: https://imaginatr.com/applications/hd-thermometer/terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Celsius Thermometer Plus | HD Thermometer ⊎ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (54 ratings) — better | 4.3 (13K ratings) |
| Positive reviews | 38.5% of reviews — better | 36.6% of reviews |
| Number of ratings | 54 | 13K — better |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Best chart rank | — | #112 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | Christophe Pereira |
Customer experience
Celsius Thermometer Plus
HD Thermometer ⊎
Bugs and requests
Celsius Thermometer Plus
Not enough reviews yet to summarise bugs or requests.
HD Thermometer ⊎
Reported bugs
2 issues- Temperatures do not update when moving to a cooler/warmer location
- Paid version still shows ads
Requested features
3 requests- Add option to manually set location
- Implement direct temperature measurement for indoor use
- Allow rotation to landscape mode on tablets
In-app purchases
Celsius Thermometer Plus
- Remove Ads$1.99
HD Thermometer ⊎
- Premium Version, Monthly$0.991 Month
- Premium Version, Yearly$2.991 Year
- Premium features without ads$1.99
- Premium features without ads$2.99
- Premium features without ads$5.99
Questions
Is Celsius Thermometer Plus free?
Is HD Thermometer ⊎ free?
Which has better reviews, Celsius Thermometer Plus or HD Thermometer ⊎?
Do Celsius Thermometer Plus or HD Thermometer ⊎ have ads?
Which is updated more often, Celsius Thermometer Plus or HD Thermometer ⊎?
Other comparisons
