The MS Phone app is a VoIP dialer app that provides IDD calling service via WiFi / 4G /3G on your smart phone, it use the same account of your MoonStar Calling Card.
--- Avoid SIM Card Local Airtime Charges:
There is no local airtime charge when using the MS Phone service with a WiFi connection, because no need your SIM Card to make call.
--- No WiFi, No Problem:
You can use GSM data service if no WiFi is available (carrier data plan charges may apply).
--- Use MS Phone Anywhere on the Planet with WiFi:
With The MS Phone, you can use MoonStar Card IDD service anywhere of the world, not limit to HK, and share your account with your family members or friends even outside of HK. For example, your Indonesia family can use the app and your account to call you.
--- Easy to Top Up your MoonStar Card account!
Easy to Top Up your MoonStar Card account! No need to phone to the recharge hotline any more, just sending your Pin No. inside the app is ok.