Billing

I got Rain last year in October 2023, everything was good no complaints. This year in June was the last month they had did a debit order. So there in July no payment was done and they Disconnected their service. Till now their services have been disconnected but problem starts when I checked on the App to realize that I am still being charged for services that are disconnected. I logged a query on the App no one got back to me. Called their Customer care only to be speaking to someone in India, he advised me that I did not cancel the service that's why I'm being billed regardless of the disconnection of the wifi. He also advised that its a month to month contract so why am I being billed on months that I did not pay on? I wanted to reconnect my services but the amount showing there is R3000 something. I really don't understand 😕.