Calculator Pro+ support three type of network to send message.

1. Over cellular network. (SMS – SIM Icon)

• This option will send message over your cellular network and may show in carrier’s bill.

2. Over Chat (Free messages – Send Icon)

• This option will send message over PSB network to any other Calculator Pro+ user who enable “Free Messaging” over internet.
• Learn more

3. Using Calculator Pro+ credit to send Message to any other cell phone (Paid SMS – Icon with “P” letter)

• This option will send message over PSB network to any other cellular phone (Not only Calculator Pro+ users).
• But for this you need to top-up your account.
• For more help click here
• Also you can buy Virtual number if you want to hide your cellular number.