Comparison

RadonEye vs TopInfrared

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

Head to head
About

RadonEye

This smart device provides real-time radon detection for your home. It offers high sensitivity and accurate measurements, with data accessible and configurable via a smartphone app.

Highlights
  • Real-time radon detection
  • High sensitivity and accuracy
  • Dual ionization chamber system
  • Fast initial data output (<1 hour)
  • Bluetooth smartphone connectivity
  • Data recording and graphing
  • Customizable alarm settings
Features
Read full description

RadonEye is a real-time smart radon detector for the homeowners. It has the high sensitivity 0.5cpm/pCi/l, about 20~30 times more than conventional radon detector. RD200 has a dual Structured pulsed-ionization chamber system and a highly accurate detection circuit. Its first reliable data out time is below 1hour from measurement start. The Bluetooth function allows you to record data, display graphs conveniently and set alarms using your smartphone

About

TopInfrared

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

Highlights
  • High-resolution thermal imaging (256x192)
  • Precise temperature detection
  • Insulation inspection
  • Circuit board examination
  • High heat sensitivity (40mk)
  • Low power consumption
Features
Read full description

Applications: The iOS smartphone thermal imaging camera offers exceptional precision in detecting temperatures, inspecting insulation, and examining circuit boards. Its impressive 256x192 ultra-high resolution ensures that thermal images are both sharp and detailed. The device has a temperature accuracy of ±3.6°F(2°C), boasting a resolution of 0.1°C. Moreover, with a low power consumption of only 0.35W, you can use it for extended periods without concerns about battery life. The camera's high heat sensitivity of 40mk enables it to detect even the slightest temperature changes with great precision.

Screenshots

RadonEye4 screens
TopInfrared4 screens

Verdict

The call

The clearest difference is rating: TopInfrared at 3.5 against RadonEye's 2.4. TopInfrared also leads on review sentiment (40% vs 20%) and update cadence (every 3 weeks vs every 3 months). RadonEye's advantage is in-app purchases (none vs 1). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

TopInfrared holds the better App Store score, 3.5 against 2.4. Both are backed by a comparable volume of ratings — 47 and 48 respectively. Written reviews point the same way: 20% of RadonEye's written reviews are positive against 40% of TopInfrared's.

UpkeepUpdate frequency

RadonEye ships an update every 3 months, TopInfrared every 3 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

Scorecard5 real differences · 5 level
RadonEye versus TopInfrared: the parameters behind the verdict, then further details
ParameterRadonEyeTopInfrared
PriceFreeFree
Rating2.4 (47 ratings)3.5 (48 ratings) — better
Positive reviews19.6% of reviews39.7% of reviews — better
Number of ratings4748 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size29 MB518 MB
Age rating4+4+
DeveloperFTLabHK TOPDON TECHNOLOGY Co., LIMITED

Customer experience

RadonEye

All ratings47 ratings
Positive19.1%
Neutral23.4%
Negative57.4%
Written reviews46 reviews
Positive19.6%
Neutral19.6%
Negative60.9%

TopInfrared

All ratings48 ratings
Positive64.6%
Neutral8.3%
Negative27.1%
Written reviews73 reviews
Positive39.7%
Neutral13.7%
Negative46.6%

In-app purchases

None

RadonEye

No in-app purchases

1 purchases

TopInfrared

One-time1
  • AI Features$19.99

Questions

Is RadonEye free?
RadonEye is free to download, with no in-app purchases.
Is TopInfrared free?
TopInfrared is free to download, with in-app purchases available.
Which has better reviews, RadonEye or TopInfrared?
TopInfrared is rated higher. RadonEye averages 2.4 out of 5 from 47 ratings, while TopInfrared averages 3.5 from 48 ratings.
Do RadonEye or TopInfrared have ads?
Neither RadonEye nor TopInfrared shows ads.
Which is updated more often, RadonEye or TopInfrared?
RadonEye ships an update every 3 months, and TopInfrared every 3 weeks. Most recently, RadonEye was updated on October 14, 2026 and TopInfrared on October 16, 2026.

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