4 stars: Firmware update made it seem dead for about an hour. Then it started working again. Confusing and frustrating. I wish the tiny sensitive little button to get to the charts were easier to hit, or even better, a swipe like I can swipe the other way to get the menu. Why not swipe the other way for the charts?
3 stars: Latest update shows a firmware update is available, every time, despite doing an update twice and the device rebooting.
4 stars: I've been generally happy with this but after today's successful firmware update it has no longer been able to sync at all. Edit: Had to force close app and then try again. Not an ideal situation but it works again.
4 stars: Horrible app. Need to log back in several times a day, ruining the notion of synchronizing data in a painless fashion.
5 stars: I'm not sure about the other reviews. But I've been using it for about a \nweek now, and it's been really great with a good user interface and easy to \nunderstand data. Carry happy with the purchase of the detector and the app
5 stars: Works with Bluetooth paired device just fine.
4 stars: Latest firmware update has (finally) worked well since download. Formerly, I had to remove unit batteries and reboot once or twice per week. Fingers crossed, since update I've been in the clear.
4 stars: Seems to sync OK. Visual bug on graphs screen where if you swipe away from the radon graph to the temperature graph and then back to the radon graph, it mislables rad...