RadonEye vs TopInfrared
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- High-resolution thermal imaging (256x192)
- Precise temperature detection
- Insulation inspection
- Circuit board examination
- High heat sensitivity (40mk)
- Low power consumption
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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
Verdict
The clearest difference is rating: TopInfrared at 3.5 against RadonEye's 2.3. 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
Both are free to download. TopInfrared sells 1 one-off in-app purchase. RadonEye asks for nothing beyond the download.
TopInfrared holds the better App Store score, 3.5 against 2.3. Both are backed by a comparable volume of ratings — 52 and 52 respectively. Written reviews point the same way: 20% of RadonEye's written reviews are positive against 40% of TopInfrared's.
RadonEye ships an update every 3 months, TopInfrared every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | RadonEye | TopInfrared |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (52 ratings) | 3.5 (52 ratings) — better |
| Positive reviews | 19.6% of reviews | 39.7% of reviews — better |
| Number of ratings | 52 | 52 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 518 MB |
| Age rating | 4+ | 4+ |
| Developer | FTLab | HK TOPDON TECHNOLOGY Co., LIMITED |
Customer experience
RadonEye
TopInfrared
Bugs and requests
RadonEye
Reported bugs
14 issues- App fails to connect to detector
- App asks user to reconnect instead of retrying
- Cannot connect to cellular
- No time stamps on historical data
- App and unit disconnect long distance
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- Data tab progress bar stuck at 92%
- App constantly disconnecting from Bluetooth
- Device turns itself off due to Bluetooth disconnect
- Device not appearing in phone's Bluetooth menu
- Firmware update issues (constant prompts)
- iOS app zoom only adjusts y-axis on graph
- Graph has no date info
- Data points on x-axis instead of date/time
- No clear app origin, developer is 3rd party
Requested features
14 requests- Add date and time stamps to data
- Enable renaming of devices
- Add Apple HomeKit integration
- Allow disabling of all sounds
- Improve UI/UX
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- Add password for security
- Provide cellular connection option
- Implement automatic retries on connection failure
- Add advanced analytics
- Save data even if power is lost
- Improve graphing functionality
- Add option for average readings in data tab
- Make alerts more audible and add phone notifications
- Provide clear instructions for firmware updates
TopInfrared
Not enough reviews yet to summarise bugs or requests.
In-app purchases
RadonEye
No in-app purchases
TopInfrared
- AI Features$19.99
