@Thermometer vs Mercure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
@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.
- Most accurate temperature readings
- Real-time temperature for precise location
- Fast location identification
- Multiple graphical themes
- Celsius or Fahrenheit display
- Available in multiple languages
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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
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.
- Animated temperature display
- Current temperature worldwide
- Sunrise and sunset times
- Wind speed and humidity
- Fahrenheit and Celsius options
- Location definition
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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
Verdict
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
Both are free to download. @Thermometer sells 1 one-off in-app purchase. Mercure asks for nothing beyond the download.
@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.
@Thermometer ships an update every 6 weeks, Mercure monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | @Thermometer | Mercure |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (224 ratings) — better | 4.0 (5 ratings) |
| Positive reviews | 75.1% of reviews | — |
| Number of ratings | 224 — better | 5 |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Best chart rank | #188 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 64 MB | 6 MB |
| Age rating | 4+ | +4 |
| Developer | Mobiquite | David Azancot |
Customer experience
@Thermometer
Mercure
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
@Thermometer
- PREMIUM release$1.99
Mercure
No in-app purchases
Questions
Is @Thermometer free?
Is Mercure free?
Which has better reviews, @Thermometer or Mercure?
Do @Thermometer or Mercure have ads?
Which is updated more often, @Thermometer or Mercure?
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