I Can’t Log Into My Peste Account on iPhone Using Google

I had my Peste account linked to Google, but after switching to an iPhone, I can’t log into Peste using my Google account anymore. I’ve tried everything I can think of, but nothing works. It’s been days of frustration, and I’ve been searching for help everywhere. I only just found you and really hope you can assist me. I’ve called multiple times with no luck and feel stuck. I need clear instructions or a solution on how to access my account on my new iPhone with my Google login. Please help me resolve this as soon as possible—I’ve invested so much time and can’t lose access to my account.