iCelsius vs Temperature Thermometer App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCelsius
Transform your iPhone, iPad, or iPod touch into a digital thermometer with this app. It works with a separate hardware probe to measure temperatures of liquids and other substances, create graphs, and set alerts. Ideal for cooking, science education, and quality control.
- Live temperature display
- Temperature graphing with pan/zoom
- Configurable temperature alarms
- Snapshot and continuous recording
- Recipe presets for cooking
- History of recorded readings
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Extend your Smartphone, Sense the World. The iCelsius is a temperature probe that turns the iPhone, iPad or iPod touch into a digital thermometer. IMPORTANT - Requires separate hardware available from http://www.icelsius.com to operate. The app can work in demo mode if no probe is connected. Compatible with wired and wireless (Wi-Fi) iCelsius probes! The current app downloaded from the App store will read temperature, create graphs and set up alerts. Please visit our website www.icelsius.com for more information! A stainless steel tip makes it possible to measure liquid temperatures such as baby formula, cooking ingredients, wine, tea, household appliances and hundreds of other applications. Can also be used in school or for teaching science, for equipment calibration, food quality control, cold chain control. The application is constantly improved based on user feedback. FEATURES • Live Display – shows useful temperature data in one shot • Graphs – with pan and zoom touch support • Alarms – Generate alarms when temperature goes outside a configurable (lower and/or upper) limit. • Snapshot Record – Ability to record a single reading, along with title, picture and note. • Continuous Record – Ability to continuously record readings as well as to add notes, take a picture and drop a pin on the graph. • History – Access all your previous records. • Recipes – For cooking and barbecue, choose preset recipe or create your own. Find more probes & wireless measurement devices on our product website www.icelsius.com and company website website www.aginova.com.
Temperature Thermometer App
Get real-time temperature and humidity readings, along with daily weather forecasts. This app provides accurate local weather data, detailed 7-day forecasts, and alerts for temperature changes. Monitor air pressure, wind speed, and sunrise/sunset times.
- Temperature measurement
- Humidity checker
- 7-day weather forecast
- Air pressure monitoring
- Wind speed
- Sunrise and sunset times
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Thermometer App provides real-time outdoor temperature, weather conditions, and forecasts to help you stay informed wherever you are. Whether you're planning your day or preparing for a trip, the app delivers accurate local weather information, detailed forecasts, and useful weather insights. Features: • Current outdoor temperature • Weather conditions and forecasts • Humidity information • Air pressure monitoring • Wind speed and direction • Sunrise and sunset times • UV index information • Air quality insights • Multi-city weather tracking • Support for Celsius, Fahrenheit, and Kelvin • Simple and easy-to-use interface Stay updated with reliable weather information and forecasts wherever you go.
Screenshots
Verdict
The clearest difference is rating: iCelsius at 4.2 against Temperature Thermometer App's 1.5. iCelsius also leads on review sentiment (35% vs 3%) and iOS requirement (12.0 vs 18.0). Temperature Thermometer App's advantage is ratings volume (1.3K vs 139). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
iCelsius holds the better App Store score, 4.2 against 1.5. That said, the two scores are not equally well evidenced: Temperature Thermometer App has 1.3K ratings behind it against 139, so its average is the more settled of the two. Written reviews point the same way: 35% of iCelsius's written reviews are positive against 3% of Temperature Thermometer App's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 18, 2026 and September 29, 2026 respectively.
| Parameter | iCelsius | Temperature Thermometer App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (139 ratings) — better | 1.5 (1.3K ratings) |
| Positive reviews | 35.2% of reviews — better | 3.1% of reviews |
| Number of ratings | 139 | 1.3K — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 41 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Aginova Sarl | amine soulimani |
Customer experience
iCelsius
Temperature Thermometer App
User reviews
iCelsius
From 139 App Store ratingsWhat we love
- 👍 Accurate temperature readings
- 👍 Handy for monitoring
- 👍 Good for remote monitoring
- 👍 Works well for specific uses (e.g., cigars, BBQ)
- 👍 Good UI and graphing (when it works)
Room to improve
- 🐛 Frequent crashes
- 🐛 Connectivity issues (Wi-Fi, Bluetooth)
- 🐛 Unreliable remote sensing
- 🐛 Inconsistent readings/inaccurate
- 🐛 Hardware failures (probes dying)
Temperature Thermometer App
From 1.3K App Store ratingsWhat we love
- 👍 Great product with key elements
- 👍 Provides quick weather report
Room to improve
- 🐛 Faulty and doesn't function as advertised
- 🐛 Lacks controls and unable to adjust settings
- 🐛 Inaccurate information and doesn't display correct data
- 🐛 Completely non-functional and useless
- 🔍 Difficult to navigate and use
Bugs and requests
iCelsius
Reported bugs
33 issues- App crashes on startup
- App crashes when tapping graphs
- Temperature readings are incorrect/flashing
- Live view display is messed up
- App crashes when phone locks or switches apps
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- Connectivity issues (Wi-Fi, Bluetooth)
- Unit not recognized when connected directly
- App crashes on iPhone X
- App crashes on iPad and iPhone
- App crashes repeatedly after latest update
- Device becomes inoperable after update
- Pop-up to download newer version persists
- Probes show infinity or out of range readings
- Wi-Fi connection drops when iPad goes to sleep
- Dual probe app has only one set of alarm points
- App freezes when looking for Wi-Fi
- Unit not supported by iOS device error
- Wire leading to probe not ovenproof
- Recipe function only has high range for one probe
- Degrees C vs F display issues
- Graph display substandard
- App doesn't update temperature when not running
- App doesn't track temperature prior to current session after restart
- Unit never connects to home wireless network
- Temperature gauge no longer reports decimal values
- Recent update makes app useless
- Cannot tell if unit is charged
- Sensor inaccurate out of the box
- Sensor stopped working after a week or two
- App shows wrong temperatures in demo mode
- Graph zoom is useless (cannot zoom out to longer time scales)
- Cannot zoom temp scale without zooming time scale
- App doesn't run under iOS 7
Requested features
18 requests- Fix crashing issues
- Improve Wi-Fi and Bluetooth connectivity
- Ensure compatibility with newer iOS versions
- Improve remote monitoring reliability
- Fix data loss when switching apps
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- Add dual alarm points for dual probes
- Improve recipe function (high range for one probe)
- Fix Celsius/Fahrenheit display issues
- Improve graph display (zoom, time span, temp span)
- Allow background notifications/alarms
- Add ability to call/text on alarm
- Make probes ovenproof
- Improve probe durability/lifespan
- Allow power supply via mini USB
- Separate time and date columns in CSV export
- Allow zooming on temperature scale in graphs
- Make app work without hardware (demo mode improvement)
- Improve documentation for non-techies
Temperature Thermometer App
Reported bugs
4 issues- Displays incorrect and impossible temperatures
- Freezes and crashes frequently
- Fails to load or function properly
- Language issues and unable to change to English
Requested features
3 requests- Option to display indoor/room temperature
- Ability to switch between indoor and outdoor temperature
- More customization options for settings and display
In-app purchases
iCelsius
No in-app purchases
Temperature Thermometer App
No in-app purchases
Questions
Is iCelsius free?
Is Temperature Thermometer App free?
Which has better reviews, iCelsius or Temperature Thermometer App?
Do iCelsius or Temperature Thermometer App have ads?
Which is updated more often, iCelsius or Temperature Thermometer App?
Other comparisons
