Thermometer++ App vs Mercure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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merely display data from the nearest weather station, which could be hundreds of kilometers away and more that an hour outdated.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/
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
Read full descriptionHide 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
Verdict
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
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.
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.
Thermometer++ App ships an update every 5 weeks, Mercure monthly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.
| Parameter | Thermometer++ App | Mercure |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7.3K ratings) — better | 4.0 (5 ratings) |
| Positive reviews | 74.9% of reviews | — |
| Number of ratings | 7.3K — better | 5 |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Best chart rank | #99 — better | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 6 MB |
| Age rating | 4+ | +4 |
| Developer | Viachaslau Tysianchuk | David Azancot |
Customer experience
Thermometer++ App
Mercure
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
Thermometer++ App
- Premium Version, Monthly$0.991 Month
- Premium Version, Yearly$2.991 Year
- Premium Version, Lifetime$4.99
Mercure
No in-app purchases
Questions
Is Thermometer++ App free?
Is Mercure free?
Which has better reviews, Thermometer++ App or Mercure?
Do Thermometer++ App or Mercure have ads?
Which is updated more often, Thermometer++ App or Mercure?
Other comparisons















