What's the difference between MMS and SMS?

The differences between MMS and SMS are as follows:

1, SMS only charges information fee, usually 10 cents. And MMS can transmit pictures, ringtones and other information, so you have to charge a traffic fee. It's usually 90 cents each.

2. SMS is a text message transmitted by No.7 signaling network. The size of information content is limited to 70 words (140 bytes). MMS is not a real short message with multimedia information, and it has nothing to do with short messages technically.

The English name of MMS is MMS, which is the abbreviation of MultimediaMessagingService, which means multimedia messaging service and is usually called MMS. Its biggest feature is that it supports multimedia functions and can transmit comprehensive content and information, including text, image, sound, data and other multimedia formats. Technically speaking, MMS is not a short message, but with the support of GPRS network and WAP wireless application protocol as the carrier to transmit pictures, sounds, words and other information. MMS service can realize instant multimedia information transmission from mobile phone end-to-end, from mobile phone terminal to Internet or from Internet to mobile phone terminal.