Hello @guilhermefighera, what kind of settings didn't synchronize? Some features can't be customized – default layer, zoom lever,...
Also, you are mentioning Windy App. This is not how our application is called. We are windy.com, red and white logo, not blue and white. Is it possible that you have downloaded another application with a similar name?
Our application on stores:
on.windy.com/AndroidApp
on.windy.com/iOSapp