Comparison

iCelsius vs Bluetooth Dome Thermometer

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

Head to head
About

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.

Highlights
  • Live temperature display
  • Temperature graphing with pan/zoom
  • Configurable temperature alarms
  • Snapshot and continuous recording
  • Recipe presets for cooking
  • History of recorded readings
Features
Read full description

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.

About

Bluetooth Dome Thermometer

Monitor your cooking temperatures with a backlit LCD display and a high-temperature stainless steel stem. This device features a quick-disconnect battery for easy charging and a water-resistant cap. It fits all EGG sizes and comes with a rechargeable lithium battery and USB cable.

Highlights
  • Backlit LCD display
  • High-temperature stainless steel stem
  • Quick-disconnect battery feature
  • Water-resistant silicone cap
  • Rechargeable lithium battery
  • USB charging cable included
Features
Read full description

Features of the Big Green Egg Bluetooth Dome Thermometer: ·       Wide-angle, backlit LCD for easy viewing at night ·       Quick-disconnect feature for easy removal of the battery for charging; a water-resistant silicone cap protects the gauge from the elements while the battery is charging ·       High-temperature stainless steel stem measures temperatures up to 750°F/399°C ·       Rechargeable, high-temperature lithium battery reaches full charge in one hour; 24 in/60cm USB charging cable included ·       Fits all EGG sizes

Screenshots

iCelsius2 screens
Bluetooth Dome Thermometer4 screens

Verdict

The call

The clearest difference is rating: iCelsius at 4.2 against Bluetooth Dome Thermometer's 2.1. iCelsius also leads on review sentiment (35% vs 0%) and ratings volume (139 vs 9). Bluetooth Dome Thermometer's advantage is iOS requirement (9.0 vs 12.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iCelsius holds the better App Store score, 4.2 against 2.1. That said, the two scores are not equally well evidenced: iCelsius has 139 ratings behind it against 9, 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 0% of Bluetooth Dome Thermometer's.

UpkeepUpdate frequency

iCelsius ships an update every 2 months, Bluetooth Dome Thermometer every 6 weeks. The most recent releases landed on August 18, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
iCelsius versus Bluetooth Dome Thermometer: the parameters behind the verdict, then further details
ParameteriCelsiusBluetooth Dome Thermometer
PriceFreeFree
Rating4.2 (139 ratings) — better2.1 (9 ratings)
Positive reviews35.2% of reviews — better0.0% of reviews
Number of ratings139 — better9
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.09.0 — better
Further details — not scored
Size41 MB33 MB
Age rating4+4+
DeveloperAginova SarlThe Big Green Egg, Inc.

Customer experience

iCelsius

All ratings139 ratings
Positive81.3%
Neutral5.0%
Negative13.7%
Written reviews54 reviews
Positive35.2%
Neutral13.0%
Negative51.9%

Bluetooth Dome Thermometer

All ratings9 ratings
Positive11.1%
Neutral11.1%
Negative77.8%
Written reviews7 reviews
Positive0.0%
Neutral14.3%
Negative85.7%

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
Show 28 more
  • 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
Show 13 more
  • 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

Bluetooth Dome Thermometer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iCelsius

No in-app purchases

None

Bluetooth Dome Thermometer

No in-app purchases

Questions

Is iCelsius free?
iCelsius is free to download, with no in-app purchases.
Is Bluetooth Dome Thermometer free?
Bluetooth Dome Thermometer is free to download, with no in-app purchases.
Which has better reviews, iCelsius or Bluetooth Dome Thermometer?
iCelsius is rated higher. iCelsius averages 4.2 out of 5 from 139 ratings, while Bluetooth Dome Thermometer averages 2.1 from 9 ratings.
Do iCelsius or Bluetooth Dome Thermometer have ads?
Neither iCelsius nor Bluetooth Dome Thermometer shows ads.
Which is updated more often, iCelsius or Bluetooth Dome Thermometer?
iCelsius ships an update every 2 months, and Bluetooth Dome Thermometer every 6 weeks. Most recently, iCelsius was updated on August 18, 2026 and Bluetooth Dome Thermometer on September 21, 2026.

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