I agree : it's a great Idea ! The iPhone/iPad apps are very useful. Nevertheless, there's no way to consult our Netatmo data on computer (except the web site which isn't really practical)... I think a desktop application on the Mac App Store would be perfect
You may even configure your Webbrowser/Safari to open a Website like a real app.
I don't see anything you can't achieve with a Webapp nowadays.
A full featured rich Webapp means only one app to develop for the Netatmo Guys and it's compatible with Windows, Mac, Linux, BSD, OS2 and all the other Operating Systems.
Strangely enough I just read this now. I spent the weekend putting together a Mac app for my Netatmo stations, basically an icon that resides in the menubar, and where you can add any of the measurements directly to the menubar, or click the icon to get a list of all your stations and their last measurements.
I'll probably sell this on the Mac App Store some time soon, but I need to clean it up a bit and do some proper testing before submitting it.