The app is Clime Pro on iOS, they lock full access to Hurricane Milton data behind a $10 USD per week paywall.
If you’re in the area impacted by Milton, you can find publicly available resources at the National Hurricane Center’s website: National Hurricane Center
Well the republicans take over, you will have to pay for all weather data. These apps are just ahead of their time.
I bet NOAA’s data will be sold wholesale too subscription app vendors.