wont even let me sign up – Co–Star Personalized Astrology Review

i have been trying to make an account and sign in for the past two days, but all it does it glitch. i type in my phone number make a username, password , then when it gets to the sign up section of it it completely glitches, shows a blank screen and won’t even let me hit the next button.
Review by not good!! :( on Co–Star Personalized Astrology.