If you are looking to send sms from your pc you can use WIN SMS.
Steps

  1. SETUP A TRIAL ACCOUNT TO TEST IF YOU LIKE IT CLICK HERE…

When you activate your new WinSMS account, you are granted a Trial Account. The Trial Account comes with free credits, as well as certain restrictions.
 

BULK SMS PRICING – SOUTH AFRICA

  • 1 SMS credit = 1 SMS message *
  • There are no hidden costs.
  • There is no contract to sign.
  • There are no monthly subscription fees.
  • There is no charge for replies **
  • Credits do not expire.
  • No charge to retrieve message logs.
  • Auto-topup system

PRICING STRUCTURE

The cost per SMS credit depends on the quantity of SMS credits you purchase. The table below lists all the price breaks based on quantity.

Quantity Unit Cost*
1 to 249 R0.38
250 to 499 R0.36
500 to 999 R0.34
1,000 to 2,499 R0.32
2,500 to 4,999 R0.30
5,000 to 9,999 R0.28
10,000 to 24,999 R0.25
25,000 to 49,999 R0.22
50,000 + R0.18