When you receive an SMS, a notification is displayed, making it easier for the message to be read.
SMS! does not have a read receipt function, so you cannot know if the other person has read it or not. However, SMS has the property that it is easy for people to read it. SMS is often set to display a notification when phone number lead it is received, so the feature is that the other person notices it immediately when it is sent.
SMS has a high delivery rate of 98% and an open rate of 80%.
+Message (PlusMessage) is they developed a comprehensive lead a service that started in May 2018, and the number of users has been steadily increasing. +Message has a read function, so you can check whether your message has been read. Here is an overview of the +Message function.
A messaging app available on the three major carriers
+Message is colombia business directory a messaging app available on Japan’s three major carriers: NTT Docomo, au, and Softbank.