pathetic mobile app

The telkom mobile app is utterly useless. Whenever I try to login, I keep getting a message which says "unable to retrieve information" or "oops we are experiencing technical difficulties" or "you do not have I formation to display". I get sms's to say that I am running out of data, but can never login to the mobile app to view usage!nor can I buy more data bcos of problems with logging in. when I finally after attempting 100 times I find out my current bill is over R 3000 and I have no way of know how this data was used!! This highly frustrating and I never experienced these problems with vodacoms, I should never have switched. I'm waiting for this contract to end and then will go back to vodacom. That is another thing why should we be bound by a contract when we experience just bad service.