Comparison

Celsius Thermometer Plus vs Thermometer++ App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Ambient temperature measurement via GPS
  • Celsius to Fahrenheit conversion calculator
  • Barometric pressure sensor function
  • Sunrise and sunset time display
  • Temperature badge indicator
Features
Read full description

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.

About

Thermometer++ App

Transform your device into a precise thermometer. Get real-time outdoor temperature, humidity, pressure, and wind data for your current location. Utilizes AI to combine data from multiple sources for accurate, up-to-the-minute weather information.

Highlights
  • Real-time temperature, humidity, pressure, and wind
  • Thermometer, barometer, and hygrometer functions
  • Current location or custom location selection
  • Celsius and Fahrenheit display
  • AI-powered weather predictions
  • Minimalistic data display
Features
Currently charting
Read full description

Turn your iPhone into a fast and accurate thermometer. Check the current outdoor temperature, humidity, pressure, and wind at your location. Used by over 5,000,000 people worldwide! Most weather apps merely display data from the nearest weather station, which could be hundreds of kilometers away and more that an hour outdated. We utilize AI technologies to combine data from multiple weather stations, providing accurate predictions for temperature, humidity, pressure, and wind at your current location in real-time. Features: - Shows temperature, humidity, pressure, and wind. You can use it as a thermometer, barometer, or hygrometer. - Use your current location or choose any location on a map. - Minimalistic design: shows only the necessary data. - Displays Celsius and Fahrenheit degrees on a beautiful thermometer picture. - Switch between Celsius and Fahrenheit degrees with a tap. - Helps you quickly decide what to wear. - Helps you keep track of the weather during heat and cold waves. Permissions: - Location (optional): Used to automatically show the weather for your current location. You can also choose a custom location manually from the map — no permission is required for that. Privacy policy: https://www.singularioapps.com/thermometer-privacy/ Terms of service: https://www.singularioapps.com/thermometer-terms/

Screenshots

Celsius Thermometer Plus1 screens
Thermometer++ App3 screens

Verdict

The call

Celsius Thermometer Plus and Thermometer++ App both sit at 4.7 stars, but that hides the real split: 76% of Thermometer++ App's written reviews are positive against 38% of Celsius Thermometer Plus's. Thermometer++ App also leads on update cadence (every 5 weeks vs every 7 months) and ratings volume (7.2K vs 54). Celsius Thermometer Plus's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (13 vs 17.6). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Celsius Thermometer Plus sells 1 one-off in-app purchase and Thermometer++ App sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Celsius Thermometer Plus against 4.7 for Thermometer++ App. That said, the two scores are not equally well evidenced: Thermometer++ App has 7.2K ratings behind it against 54, so its average is the more settled of the two. Written reviews are what separate them: 38% of Celsius Thermometer Plus's written reviews are positive against 76% of Thermometer++ App's.

UpkeepUpdate frequency

Celsius Thermometer Plus ships an update every 7 months, Thermometer++ App every 5 weeks. Both last shipped on September 22, 2026.

Scorecard6 real differences · 5 level
Celsius Thermometer Plus versus Thermometer++ App: the parameters behind the verdict, then further details
ParameterCelsius Thermometer PlusThermometer++ App
PriceFreeFree
Rating4.7 (54 ratings)4.7 (7.2K ratings)
Positive reviews38.5% of reviews75.5% of reviews — better
Number of ratings547.2K — better
Update frequencyEvery 7 monthsEvery 5 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
Best chart rank—#104 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS13 — better17.6
Further details — not scored
Size11 MB22 MB
Age rating4+4+
DeveloperSHIGETO TAKAGIViachaslau Tysianchuk

Customer experience

Celsius Thermometer Plus

All ratings54 ratings
Positive92.6%
Neutral5.6%
Negative1.9%
Written reviews26 reviews
Positive38.5%
Neutral11.5%
Negative50.0%

Thermometer++ App

All ratings7,199 ratings
Positive93.7%
Neutral3.4%
Negative2.9%
Written reviews331 reviews
Positive75.5%
Neutral6.9%
Negative17.5%

Bugs and requests

Celsius Thermometer Plus

Not enough reviews yet to summarise bugs or requests.

Thermometer++ App

Reported bugs

2 issues
  • Temperature reading stuck at a constant value
  • App crashes when opening in certain locations

Requested features

3 requests
  • Add indoor temperature monitoring
  • Provide weather forecast information
  • Include a widget for quick temperature access

In-app purchases

1 purchases

Celsius Thermometer Plus

One-time1
  • Remove Ads$1.99
3 purchases

Thermometer++ App

Subscriptions2
  • Premium Version, Monthly$0.991 Month
  • Premium Version, Yearly$2.991 Year
One-time1
  • Premium Version, Lifetime$4.99

Questions

Is Celsius Thermometer Plus free?
Celsius Thermometer Plus is free to download, with in-app purchases available.
Is Thermometer++ App free?
Thermometer++ App is free to download, with in-app purchases available.
Which has better reviews, Celsius Thermometer Plus or Thermometer++ App?
Celsius Thermometer Plus and Thermometer++ App are both rated 4.7 out of 5 on the App Store, from 54 and 7.2K ratings respectively.
Do Celsius Thermometer Plus or Thermometer++ App have ads?
Both Celsius Thermometer Plus and Thermometer++ App show ads.
Which is updated more often, Celsius Thermometer Plus or Thermometer++ App?
Celsius Thermometer Plus ships an update every 7 months, and Thermometer++ App every 5 weeks. Most recently, Celsius Thermometer Plus was updated on September 22, 2026 and Thermometer++ App on September 22, 2026.

Other comparisons