I've since switched to iPhone but on Android I didn't get a confirmation but I always got a pop up notification at the top of the screen saying who I paid and h

I've since switched to iPhone but on Android I didn't get a confirmation but I always got a pop up notification at the top of the screen saying who I paid and how much within seconds of the buzz. Maybe it's different in Australia? You are correct about the payment history though, mine was always missing huge chunks (sometimes weeks) of payments for some reason.