For me I downloaded the Truth Social App(Perhaps I should download rumble instead?) asks me to create account, I put in my email address, I get an email verification, I click on it, it opens up the app says “Verified” have to type in a password which I do, than asks for my phone number, once that is done “Oops something went wrong try again”
You shouldn’t have to download rumble.
What seems strange to me is that it asks for your phone number again after you already did the verification.