Comparison

iCelsius vs AIDA64

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

AIDA64

Access in-depth hardware and software diagnostics for your iOS device. Get detailed information on your CPU, screen, battery, network, and sensors. Monitor memory, storage, and screen performance with this comprehensive utility.

Highlights
  • CPU details
  • Screen specifications
  • Battery status
  • Network insights
  • Device model identification
  • Memory and storage usage
  • Sensor data monitoring
Features
Read full description

Discover what's inside your iPhone or iPad with AIDA64, a powerful system information and diagnostics app from the makers of AIDA64 for Windows. From processor specifications and camera capabilities to battery information and real-time sensor readings, AIDA64 gives you a detailed look at your device's hardware and software in one convenient place. Explore your device Get comprehensive information about your iPhone or iPad, including its model, processor, graphics hardware, memory, storage, operating system, and display. Discover the technical details that make your device unique. Monitor hardware and sensors Check battery level, charging status, and capacity information. Explore available sensors and monitor their readings in real time. Use GPS tools to track your location, altitude, and speed, or measure acceleration. Discover your cameras Explore the capabilities of your device's cameras, with detailed information about individual camera modules, megapixel counts, apertures, focal lengths, image stabilization, and video recording capabilities. Run interactive diagnostics Put your display to the test with diagnostic patterns designed to help identify screen issues. Access dedicated sensor and GPS tools to explore your device's functionality. Generate detailed reports Create comprehensive reports containing hardware and software information, and easily share them for troubleshooting, technical support, or personal reference. Designed for iPhone and iPad AIDA64 combines extensive technical information with a clean, intuitive interface optimized for both iPhone and iPad. Whether you're a technology enthusiast, IT professional, or simply curious about your device, the information you need is just a few taps away. Stay connected Follow @aida64_official on X or find AIDA64 on Facebook for the latest news, updates, and support.

Screenshots

iCelsius2 screens
AIDA644 screens

Verdict

The call

The clearest difference is in-app purchases: iCelsius at none against AIDA64's 1. iCelsius also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). AIDA64's advantage is rating (4.6 vs 4.2) and ratings volume (2.3K vs 139). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AIDA64 sells 1 one-off in-app purchase. iCelsius asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

AIDA64 holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: AIDA64 has 2.3K 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 47% of AIDA64's.

UpkeepUpdate frequency

iCelsius ships an update every 2 months, AIDA64 every 3 months. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

Scorecard7 real differences · 3 level
iCelsius versus AIDA64: the parameters behind the verdict, then further details
ParameteriCelsiusAIDA64
PriceFreeFree
Rating4.2 (139 ratings)4.6 (2.3K ratings) — better
Positive reviews35.2% of reviews46.6% of reviews — better
Number of ratings1392.3K — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size41 MB6 MB
Age rating4+4+
DeveloperAginova SarlFinalWire

Customer experience

iCelsius

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

AIDA64

All ratings2,337 ratings
Positive90.9%
Neutral3.2%
Negative5.9%
Written reviews118 reviews
Positive46.6%
Neutral11.9%
Negative41.5%

User reviews

iCelsius

From 139 App Store ratings

What 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)

AIDA64

From 2.3K App Store ratings

What we love

  • ⭐ Excellent app
  • 📊 Provides detailed device information
  • 💻 Useful for troubleshooting

Room to improve

  • 🚫 Lacks support for newer devices
  • ⚠️ Inaccurate or missing information
  • 🔍 Limited data on some devices
  • 🔋 Battery details no longer available

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

AIDA64

Reported bugs

3 issues
  • Crashes on certain devices
  • Incompatible with iPad Pro M2
  • Blank or unknown fields for various components

Requested features

3 requests
  • Update for latest iOS and devices
  • Add temperature sensor information
  • Restore battery wear level and charge cycle details

In-app purchases

None

iCelsius

No in-app purchases

1 purchases

AIDA64

One-time1
  • Remove ads from AIDA64$1.99

Questions

Is iCelsius free?
iCelsius is free to download, with no in-app purchases.
Is AIDA64 free?
AIDA64 is free to download, with in-app purchases available.
Which has better reviews, iCelsius or AIDA64?
AIDA64 is rated higher. iCelsius averages 4.2 out of 5 from 139 ratings, while AIDA64 averages 4.6 from 2.3K ratings.
Do iCelsius or AIDA64 have ads?
AIDA64 shows ads; iCelsius does not.
Which is updated more often, iCelsius or AIDA64?
iCelsius ships an update every 2 months, and AIDA64 every 3 months. Most recently, iCelsius was updated on October 16, 2026 and AIDA64 on October 20, 2026.

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