MyVodacom App - no 2x data credit as advertised

Hi, I am very disappointed with the MyVodacom App. I have had the MyVodacom app on my iPad for at least a year now and yes it was the latest version of the App. The new shake function has been a step backwards with silly rewards but that aside I still used the app.

On Sunday morning I decide I would try buying data from the App for my iPad and proceeded to the Once Off Data tab. I had noticed in the last few months this 2 x data promotion so I looked down the list and found the 2 x the data option on the 1 gig for R149. I purchased this and was only credited with 1 gig, which immediately irritated me because of the false advertising. So I opened the app on my iPad to make sure I hadn't made mistake and saw that no I was supposed to receive 2 gigs. I then called 082 111 and spoke to a lady who then, I suspect, spoke to her supervisor. She came back on the line and said I would be credit within the next hour with another 1 gig. I checked an hour later and I was credited with R75. Now that obviously isn't enough to buy another gig. So I called the 082 111 number and another lady helped and said she that the previous lady had credited me with a one week option on data! I ordered a Once Off Data option, she said it would need to get escalated and somebody would either call me back or sms to resolve my problem.

It has now been 24 hours and I have heard nothing. I am irritated that you advertise in the app and on the tab that I will get 2 x Data and I don't and then I must chase you guys to resolve the error. Please resolve this error and give me the other gig you advertised...honestly part of me feels angered at the time I have wasted following up on this. It is such a small amount of money but it is the principle.

Regards Lars