Comparison

Thermo vs Celsius Thermometer Plus

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

Head to head
About

Thermo

This app provides a clear overview of outdoor temperature, humidity, and pressure with an emotionally designed, analog-inspired interface. It visualizes daily air conditions intuitively, including feels-like temperature and a discomfort index, based on your current location.

Highlights
  • Temperature, humidity, and pressure display
  • Discomfort Index calculation
  • Mini trend graph
  • Accurate barometer
  • Analog-inspired design
  • Widget support
Features
Read full description

Check temperature, humidity, pressure, and discomfort index at a glance. An analog-style weather information app that expresses your daily air conditions in a beautiful and intuitive way. Based on your current location, check outdoor temperature, feels-like temperature, humidity, pressure changes, and discomfort index (DI) through a beautifully designed gauge interface. [FEATURES] • Beautiful analog gauge design • Current temperature and feels-like temperature (Celsius / Fahrenheit) • Humidity meter for monitoring comfort levels • Mini trend graph for short-term changes • Barometer support (hPa / inHg / mmHg) • Sea-level pressure and station pressure display • 24-hour pressure trend (rising · falling · stable) • Discomfort Index (DI) calculation • Widgets support (Lock Screen widgets and Home Screen widgets) • Apple Watch app and various complications [DID YOU KNOW?] • The Discomfort Index (DI), developed by Thom in 1959, is an indicator that quantifies how hot and uncomfortable people feel based on temperature and humidity. • Pressure values are converted and provided as sea-level pressure based on World Meteorological Organization (WMO) standards. Supported devices can also measure station pressure using the built-in sensor. • On GPS-enabled iPhone and iPad devices, more accurate information can be provided using the latest observation data around your current location. • Add cities manually to use the app without GPS. [PLEASE NOTE] • This app does not measure room temperature using an indoor sensor. • It provides outdoor temperature, humidity, and pressure information based on your current location. [CONTACT & SUPPORT] If you have any issues or suggestions, please contact us anytime: https://morethan.net/support/

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.

Screenshots

Thermo4 screens
Celsius Thermometer Plus1 screens

Verdict

The call

The clearest difference is price: Celsius Thermometer Plus at Free against Thermo's $3.99. Celsius Thermometer Plus also leads on iOS requirement (13 vs 17.0). Thermo's advantage is review sentiment (77% vs 38%) and in-app purchases (none vs 1). On rating and device support 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

Celsius Thermometer Plus is free to download; Thermo costs $3.99 up front. Celsius Thermometer Plus sells 1 one-off in-app purchase. Thermo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Thermo against 4.7 for Celsius Thermometer Plus. That said, the two scores are not equally well evidenced: Thermo has 1.9K ratings behind it against 54, so its average is the more settled of the two. Written reviews are what separate them: 77% of Thermo's written reviews are positive against 38% of Celsius Thermometer Plus's.

UpkeepUpdate frequency

Thermo ships an update every 10 days, Celsius Thermometer Plus every 7 months. Both last shipped on September 22, 2026.

Scorecard8 real differences · 2 level
Thermo versus Celsius Thermometer Plus: the parameters behind the verdict, then further details
ParameterThermoCelsius Thermometer Plus
Price$3.99Free — better
Rating4.7 (1.9K ratings)4.7 (54 ratings)
Positive reviews77.3% of reviews — better38.5% of reviews
Number of ratings1.9K — better54
Update frequencyEvery 10 days — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.013 — better
Further details — not scored
Size39 MB11 MB
Age rating4+4+
DeveloperMORETHAN APPSSHIGETO TAKAGI

Customer experience

Thermo

All ratings1,898 ratings
Positive92.7%
Neutral3.2%
Negative4.2%
Written reviews423 reviews
Positive77.3%
Neutral7.3%
Negative15.4%

Celsius Thermometer Plus

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

Bugs and requests

Thermo

Reported bugs

3 issues
  • Crashes on launch
  • Doesn't update properly
  • Incorrect location data

Requested features

5 requests
  • Add barometer trend indicators
  • Include 'feels like' temperature
  • Add widget support
  • Allow manual location selection
  • Expand temperature range for hot climates

Celsius Thermometer Plus

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Thermo

No in-app purchases

1 purchases

Celsius Thermometer Plus

One-time1
  • Remove Ads$1.99

Questions

Is Thermo free?
Thermo costs $3.99, with no in-app purchases.
Is Celsius Thermometer Plus free?
Celsius Thermometer Plus is free to download, with in-app purchases available.
Which has better reviews, Thermo or Celsius Thermometer Plus?
Thermo and Celsius Thermometer Plus are both rated 4.7 out of 5 on the App Store, from 1.9K and 54 ratings respectively.
Do Thermo or Celsius Thermometer Plus have ads?
Celsius Thermometer Plus shows ads; Thermo does not.
Which is updated more often, Thermo or Celsius Thermometer Plus?
Thermo ships an update every 10 days, and Celsius Thermometer Plus every 7 months. Most recently, Thermo was updated on September 22, 2026 and Celsius Thermometer Plus on September 22, 2026.

Other comparisons