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

What’s New

Version 1.2.0

1. Change the wording
-Reset Data -> Erase all data

2. Erase all data
-Data can be saved(.txt file) before erase data

Ratings and Reviews

2.8 out of 5
13 Ratings

13 Ratings

FingerSling ,

Small changes would make a big difference

The app is easy to get up and running. However, there should be a setting to disable the loud beep each time a Bluetooth connection is made. That quickly gets very annoying.

The graphing of data really misses having a time stamp on the x-axis. It makes trying to understand daily patterns painful. Even the exported data doesn’t enable time tracking easily. So the whole feature set of having trend data is really crippled by this omission.

Otherwise, very pleased with the monitor so far.


V9.0 Consistently stating that there’s an update after updating

The app is always saying that there is a firmware update even after updating to the latest version 9.0. Please look into this. I’ve disconnected Bluetooth over and over again. Still the same message and I’ve posted it twice.

jaewook77 ,

most reliable and accurate consumer radon detector

It’s very accurate Radon data reading. It uses a dual structured pulse ionization chamber system that can detect Radon level accurately, 95% confidence +-0.5 pCi/l, within the first 1 hour. Its base technology is NRPP certified. Easy to use. Simple UI. Strongly recommend for anyone who wants to monitor Radon at home.

App Privacy

The developer, FTLab, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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