Comparison

Thermo vs Thermometer S

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

Head to head
About

Thermo

Get real-time outdoor temperature and detailed weather data for your current location or any city worldwide. Features include an interactive map, humidity, 'feels like' temperature, forecasts, smart alerts, and home screen widgets.

Highlights
  • Live temperature updates
  • Interactive temperature map
  • Humidity and 'feels like' data
  • Daily and 7-day forecasts
  • Smart weather alerts
  • Home screen widgets
Features
Read full description

Thermo – Live Thermometer Accurate outdoor temperature in real time. Thermo gives you instant access to current outdoor temperature and detailed weather data wherever you are. Whether you want to check the outside temperature before leaving home or monitor changing conditions during the day, Thermo delivers reliable information with a clean and intuitive experience. Live temperature, everywhere Get real-time temperature updates for your current location or search any city worldwide. With automatic geolocation and fast data refresh, you always know the temperature now. Switch easily between Fahrenheit and Celsius based on your preference. Interactive temperature map and radar Explore a zoomable live map with temperature overlay. Tap any location to see detailed conditions instantly. The integrated radar view helps you understand weather patterns and track changes around you in real time. Humidity and feels like data Monitor humidity levels and see “feels like” temperature to better understand how weather conditions truly impact your comfort. Thermo combines essential atmospheric data in one clear interface. Forecasts you can rely on Plan ahead with accurate daily and 7-day forecasts. Clear graphs and detailed data help you anticipate temperature changes and evolving weather conditions with confidence. Smart alerts and instant updates Stay informed with timely notifications and daily updates. Thermo keeps you aware of important temperature changes and weather conditions without needing to constantly open the app. Powerful widgets Add a temperature widget to your home screen and check current conditions instantly. Designed for clarity and speed, widgets give you essential information at a glance. Designed for simplicity and precision Thermo combines the reliability of a digital thermometer with the power of modern weather technology. Fast, accurate and easy to use, it provides the essential outdoor temperature information you need, when you need it. Terms of Service: Apple's Terms of Service apply to all subscriptions offered within the app. More information here: [https://www.apple.com/legal/internet-services/itunes/dev/stdeula](https://www.apple.com/legal/internet-services/itunes/dev/stdeula)

About

Thermometer S

Monitor your environment's temperature and humidity with this app. It provides clear, easy-to-read data for health management, preventing heatstroke and colds, and mold prevention. Customize the display to show only the information you need.

Highlights
  • Large, clear temperature display
  • Humidity, precipitation, wind speed, and air pressure
  • Sensor-based or internet weather data
  • Customizable information display
  • Celsius/Fahrenheit unit switching
  • Simple, user-friendly design
Features
Read full description

A thermometer is an essential tool for managing the health of children, the elderly, and babies. With this app, you can quickly grasp the temperature and humidity of your environment and take appropriate measures. It is useful in various situations, such as health management, heatstroke prevention, and mold prevention. [[ For Health Management ]] Easy-to-read temperature display for those sensitive to changes in physical condition Make checking the temperature and humidity a habit to protect your health [[ For Daily Use ]] Easy humidity management with the app for cold and influenza prevention Manage your health with temperature and humidity! The app supports a healthy lifestyle. [[ For Different Seasons ]] Prevent heatstroke in summer and colds in winter! Useful for mold prevention during the rainy season! --- App Features --- [[ Large and Clear Temperature Display ]] The temperature is displayed in a large font for easy visibility at a glance. [[ Multifunction: Precipitation, Wind Speed, Humidity, and Air Pressure ]] In addition to the temperature display, the following information is also displayed: Precipitation Wind speed Humidity Air pressure [[ Optimal Information Display ]] If your device has a sensor, the app will display information obtained from the sensor. If there is no sensor, the app will obtain information from a nearby weather station or the internet. For devices without a sensor, location information is used. In Japan, information is obtained from AMeDAS. For devices without a sensor, the outdoor temperature will be displayed instead of the indoor temperature. [[ Simple Design ]] The app features a user-friendly design with a light gray base color. [[ Customizable Display ]] Although the app displays a variety of information such as temperature and humidity, you can customize it to display only the information you need, such as "temperature and humidity only." --- Optional Features --- Language switching function Unit switching function Switch between Celsius (C°) and Fahrenheit (F°) Display/non-display switching of information You can hide information other than temperature. Switching of information sources The default setting is automatic. You can prioritize obtaining information from weather stations or the internet. --- Notes and Disclaimer --- This app uses location information and its history to provide you with appropriate functions and information (including advertisements). Some of the functions of this app require data communication. You will be responsible for the communication charges. We are not responsible for any troubles or accidents that may occur while using this app.

Screenshots

Thermo4 screens
Thermometer S4 screens

Verdict

The call

The clearest difference is in-app purchases: Thermometer S at none against Thermo's 10. Thermometer S also leads on rating (5.0 vs 4.6). Thermo's advantage is ratings volume (132 vs 1). On price, update cadence, ads 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

Both are free to download. Thermo sells 10 in-app purchases, starting at $1.09 per month. Thermometer S asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Thermometer S holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Thermo has 132 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Thermo ships an update fortnightly, Thermometer S every 4 weeks. Both last shipped on November 11, 2026.

Scorecard4 real differences · 6 level
Thermo versus Thermometer S: the parameters behind the verdict, then further details
ParameterThermoThermometer S
PriceFreeFree
Rating4.6 (132 ratings)5.0 (1 ratings) — better
Positive reviews86.7% of reviews—
Number of ratings132 — better1
Update frequencyFortnightly — betterEvery 4 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size144 MB31 MB
Age rating4+4+
DeveloperStolanappAkira Yamamoto

Customer experience

Thermo

All ratings129 ratings
Positive87.6%
Neutral5.4%
Negative7.0%
Written reviews120 reviews
Positive86.7%
Neutral5.8%
Negative7.5%

Thermometer S

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Thermo

Reported bugs

12 issues
  • App not working
  • Paid subscription not working
  • Inconsistent accuracy
  • Reads -20 C incorrectly
  • Quit working
Show 7 more
  • Internet connection lost error
  • Purchase not remembered
  • Sometimes the app doesn't work
  • Hard to navigate
  • No other locations available
  • Requires Google download
  • Slow to open

Requested features

5 requests
  • Measure indoor temperature
  • Add an analog clock
  • Add a clock
  • Allow tapping locations on a map
  • Measure in-house temperature as well

Thermometer S

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Thermo

Subscriptions10
  • Thermometer Premium$1.091 Month
  • Thermometer Premium$1.197 Days
  • Thermometer Premium$2.291 Month
Show 7 more
  • Thermometer Premium$3.497 Days
  • Thermometer Premium Discount$3.991 Year
  • Thermometer Premium$4.991 Month
  • Thermometer Premium3 Days trial$5.491 Year
  • Thermometer Premium3 Days trial$11.491 Year
  • Thermometer Premium7 Days trial$11.491 Year
  • Thermometer Premium7 Days trial$21.491 Year
None

Thermometer S

No in-app purchases

Questions

Is Thermo free?
Thermo is free to download, with in-app purchases available.
Is Thermometer S free?
Thermometer S is free to download, with no in-app purchases.
Which has better reviews, Thermo or Thermometer S?
Thermometer S is rated higher. Thermo averages 4.6 out of 5 from 132 ratings, while Thermometer S averages 5.0 from 1 ratings.
Do Thermo or Thermometer S have ads?
Both Thermo and Thermometer S show ads.
Which is updated more often, Thermo or Thermometer S?
Thermo ships an update fortnightly, and Thermometer S every 4 weeks. Most recently, Thermo was updated on November 11, 2026 and Thermometer S on November 11, 2026.

Other comparisons