My upgrade is due for April 2016
I compared prices from Vodacom and Telkom and concluded that Telkom's SmartPlan 100 is much cheaper than Vodacom's Smart Small
Eg. :
Sim Only -
Vodacom - 200MB data, 75 minutes, 200 SMS = R209pm
Telkom - 1GB data (only with device) , 100 minutes, 5...