For about a week or two, I have not been able to log into the Nest app on my iPad. I tap the option to login by google account, I choose my account, accept the permissions, the login screen thinks for a minute, and then I'm back to the initial login screen with no error message. I've tried logging in with different accounts that also have permission to access the Nest app with the same result. I've deleted and reinstalled the app, I've restarted the iPad, and I'm still getting the same results. I can still login on my iPhone without any problem. I tried the other iPad in our home, and it's having the same login issues.