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
NOAA and NWS > paid bullshit apps
Weather data should be freely available
1000%, half the reason for this post is I wanted to share the NHC link in the text of the post as an alternative to these apps.