After learning about the trick to get free wifi with Gogo on board a few months ago, I’ve been using WiFi happily on most of my flights, both on my iPhone as well as on my laptop (that is pretending to be an iPhone/iPad)
On my last flight on American recently, after doing the trick 2 times, I was hit with this screen when I tried to download the Gogo app again!
I tried disconnecting and connecting again, as well as clearing my cookies and that didn’t do anything. Only by waiting for a day to pass did I seem to be able to download the app again. There doesn’t seem to be a way around this on mobile, but I did see the CAPTCHA screen flash before I saw this screen, so it may be possible to get around this screen on a laptop. I will investigate further on my next flight, but possible courses of action are: