On iPhone and iPad, the “Messages” iphone app combines both features. The classic Text message is displayed in green, an iMessage is definitely highlighted in blue.
An SMS is directed as usual via the portable network. An download imessage for pc communication is sent over the Internet.
An SMS could be received by every cellular phone owner. An iMessage can only just be delivered to owners of Macintosh, iPhone, iPad and ipod itouch.
Your iOS machine automatically detects if the recipient can obtain an iMessage. If this is not the case, a classic Text message will be directed.
Whether you mail an iMessage or an Text message, you usually see in the text field (see photo).