At EasyTopup Singapore Retailer Apps offers to recharge worldwide prepaid mobile worldwide and purchase singapore calling cards,topup cards, evouchers and etickets with retailer discount. Download EasyTopupSG Retailer Apps and Start Prepaid Mobile topup Business today. How to register with us 1. Call our Sales Representative at +6531528899 2. Our Sales Rep. will make appointment with you. 3. Please provide company ROC and NRIC Details 4. We Register and SMS you the login details 5. Open EasyTopupSG Apps 6. Login with given login name and password. 7.Start Topup Prepaid Mobile.