2025-09-19 00:00:00 mystc app .. takes you further! It suits all your needs and gives you solutions at your fingertips. Quickly, easily, and securely manage all of your numbers and services in stc .. Shop for the latest smart devices and vouchers, and order a new number with delivery.. Even if you are not an stc customer! Because we are always aiming to be closer to you, in case you need assistance, you will get immediate support via the instant messaging service with customer service representatives, as well as many other features that will save you time and effort, such as: