Are there any requirements and conditions for using Fetion to send short messages to mobile phones?

If you send a text message on the computer, you need to add the other person's mobile phone number as a friend.

The display on the other party's mobile phone is just like sending a text message (except that the text message starts with your nickname * *:)

When the other party replies to a short message, it will be charged according to the general short message. If it is a reply from Fetion software downloaded from a computer or mobile phone.

SMS is free. ...