The phone number requirement is a huge turn-off, considering the implications of the user data I'd be providing to use the service. Additionally, unless there'

The phone number requirement is a huge turn-off, considering the implications of the user data I'd be providing to use the service. Additionally, unless there's been some sort of breakthrough that changes the way these programs work, there's no way to verify the claims except by manually researching behind it whenever it tells you something. I find that particularly distressing, because of the authoritative nature to the UX.