Comparison

Thermometer++ App vs Mercure

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

Head to head
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merely display data from the nearest weather station, which could be hundreds of kilometers away and more that an hour outdated.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/

About

Mercure

This app provides current weather information with a fun and colorful interface. It offers details like temperature, sunrise/sunset times, wind speed, and humidity for your current location or anywhere globally. Customize temperature units and enjoy animated displays.

Highlights
  • Animated temperature display
  • Current temperature worldwide
  • Sunrise and sunset times
  • Wind speed and humidity
  • Fahrenheit and Celsius options
  • Location definition
Read full description

Weather should be understood at a glance. Mercure turns the forecast into a living thermometer. The liquid level rises and falls with temperature, while the color changes with the conditions so you can understand the day before diving into the numbers. SWIPE THROUGH TIME Slide across the main screen to move hour by hour and watch the temperature, conditions and liquid react instantly. PLAN AHEAD See the daily temperature curve, minimums and maximums, then jump to any day with a tap. CHECK THE DETAILS Open a clean dashboard for feels-like temperature, humidity, precipitation probability, UV index, wind, cloud cover, pressure, visibility, the next 12 hours of precipitation and the sun path. FOLLOW YOUR PLACES Use your current location, search for cities and keep useful places saved for quick access. MAKE IT YOURS Choose Celsius or Fahrenheit, select your wind-speed unit, enable haptic feedback and pull to refresh. A simple, visual way to check conditions now and understand what comes next.

Screenshots

Thermometer++ App3 screens
Mercure4 screens

Verdict

The call

The clearest difference is rating: Thermometer++ App at 4.7 against Mercure's 4.0. Thermometer++ App also leads on ratings volume (7.3K vs 5) and chart position (#99 vs unranked). Mercure's advantage is in-app purchases (none vs 3). 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. Thermometer++ App sells 3 in-app purchases, starting at $0.99 per month. Mercure asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Thermometer++ App holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Thermometer++ App has 7.3K ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

Thermometer++ App ships an update every 5 weeks, Mercure monthly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 6 level
Thermometer++ App versus Mercure: the parameters behind the verdict, then further details
ParameterThermometer++ AppMercure
PriceFreeFree
Rating4.7 (7.3K ratings) — better4.0 (5 ratings)
Positive reviews74.9% of reviews—
Number of ratings7.3K — better5
Update frequencyEvery 5 weeksMonthly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#99 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.617.0 — better
Further details — not scored
Size22 MB6 MB
Age rating4++4
DeveloperViachaslau TysianchukDavid Azancot

Customer experience

Thermometer++ App

All ratings7,288 ratings
Positive93.6%
Neutral3.4%
Negative3.0%
Written reviews342 reviews
Positive74.9%
Neutral7.3%
Negative17.8%

Mercure

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%

Bugs and 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

Mercure

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Thermometer++ App

Subscriptions2
  • Premium Version, Monthly$0.991 Month
  • Premium Version, Yearly$2.991 Year
One-time1
  • Premium Version, Lifetime$4.99
None

Mercure

No in-app purchases

Questions

Is Thermometer++ App free?
Thermometer++ App is free to download, with in-app purchases available.
Is Mercure free?
Mercure is free to download, with no in-app purchases.
Which has better reviews, Thermometer++ App or Mercure?
Thermometer++ App is rated higher. Thermometer++ App averages 4.7 out of 5 from 7.3K ratings, while Mercure averages 4.0 from 5 ratings.
Do Thermometer++ App or Mercure have ads?
Both Thermometer++ App and Mercure show ads.
Which is updated more often, Thermometer++ App or Mercure?
Thermometer++ App ships an update every 5 weeks, and Mercure monthly. Most recently, Thermometer++ App was updated on November 11, 2026 and Mercure on November 3, 2026.

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