OK but... – Cozi Family Organizer Review

I use an iPhone... I have it set to receive notifications, the only notifications I get or the 4 other people using is an email, no pop up notifications. Tried everything I can think of, so has everyone else using. Followed all steps to link Apple calendar to Cozi and visa versa. Many times. Zero success. My son plays baseball and the coach uses Team Snap for all practices, games etc, it took me less than a minute to link that to the Apple calendar. I look online and see reviews complaining of same issue from 2014, why 6 years later is it no better?
Review by Hargrepa on Cozi Family Organizer.