Comparison

@Thermometer 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

This app provides highly accurate, real-time outdoor temperature readings for your precise location worldwide. It utilizes advanced algorithms and multiple data sources to deliver temperature data to the tenth of a degree, offering various display themes and units.

Highlights
  • Most accurate temperature readings
  • Real-time temperature for precise location
  • Fast location identification
  • Multiple graphical themes
  • Celsius or Fahrenheit display
  • Available in multiple languages
Features
Currently charting
Read full description

Handy, quick and accurate : the best thermometer for your iPhone / iPad The n°1 thermometer in the App Store, with over 5,000,000 downloads! @Thermometer is the most accurate application in the App Store (down to a tenth of a degree). Since 2009, @Thermometer is the ONLY application to give you the outside temperature to the nearest tenth of a degree, in line with your exact location, throughout the world and in real time. To achieve this, @Thermometer uses multiple data sources from your surrounding environment and combines them together thanks to our own unique algorithms developed on our meteorological servers. @Thermometer is NOT just another application that tells you the temperature in a nearby town, using hour-old – or even older - data... Key characteristics of the application: - Most accurate temperature in the App Store (down to a tenth of a degree) - Temperature corresponding to your precise location anywhere in the world and in real time. - Fast location identification and temperature display. - Multiple high-quality graphical themes (HD - Retina display) are available allowing you to choose the one best-suited to you. - Temperature can be displayed in degrees Celsius or Fahrenheit. - Available in multiple languages. - Compatible with iPhone, iPod touch and iPad. - Internet connectivity is required to receive the temperature calculated on our meteorological servers. --- PREMIUM version (In-App Purchase) offer you following advantages: - All advertising fully deactivated. - Temperature displayed even faster. - Priority access to support. ...plus you directly support our team in developing this application! --- Don’t forget that if you like our application @Thermometer, you can rate it and comment on how satisfied you are with other users. Should you encounter any problems, please email us at the following address: support@mobiquite.fr Thank you! -- Disclaimer: Location data may be used for providing you more relevant ads. This app collects anonymous information about users to help us measure the usage of our app so we can better understand our audience and improve our service. This information does not contain information from which users can be identified. You can find a full description of our data collection and use practices in our Privacy and Security Policy https://www.mobiquite.fr/data/thermo/thermometre-confidentialite.html

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

@Thermometer4 screens
Mercure4 screens

Verdict

The call

The clearest difference is in-app purchases: Mercure at none against @Thermometer's 1. @Thermometer's advantage is rating (4.5 vs 4.0) and ratings volume (224 vs 5). On price, update cadence and ads 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 sells 1 one-off in-app purchase. Mercure asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

@Thermometer holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: @Thermometer has 224 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

@Thermometer ships an update every 6 weeks, Mercure monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 4 level
@Thermometer versus Mercure: the parameters behind the verdict, then further details
Parameter@ThermometerMercure
PriceFreeFree
Rating4.5 (224 ratings) — better4.0 (5 ratings)
Positive reviews75.1% of reviews—
Number of ratings224 — better5
Update frequencyEvery 6 weeksMonthly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#188 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size64 MB6 MB
Age rating4++4
DeveloperMobiquiteDavid Azancot

Customer experience

@Thermometer

All ratings224 ratings
Positive89.3%
Neutral1.8%
Negative8.9%
Written reviews269 reviews
Positive75.1%
Neutral4.5%
Negative20.4%

Mercure

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

Bugs and requests

@Thermometer

Reported bugs

2 issues
  • Temperature readings significantly off from actual conditions
  • App crashes or freezes on launch for some users

Requested features

3 requests
  • Add ability to check temperature in multiple locations
  • Provide 'feels like' temperature or wind chill factor
  • Allow customization of app interface or themes

Mercure

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

@Thermometer

One-time1
  • PREMIUM release$1.99
None

Mercure

No in-app purchases

Questions

Is @Thermometer free?
@Thermometer 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 or Mercure?
@Thermometer is rated higher. @Thermometer averages 4.5 out of 5 from 224 ratings, while Mercure averages 4.0 from 5 ratings.
Do @Thermometer or Mercure have ads?
Both @Thermometer and Mercure show ads.
Which is updated more often, @Thermometer or Mercure?
@Thermometer ships an update every 6 weeks, and Mercure monthly. Most recently, @Thermometer was updated on November 6, 2026 and Mercure on November 3, 2026.

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