It is a contact application for Jeungsando believers.
General users may have limited access.

contact
You can register the contact information on your smartphone on the Win-Win Letter website and check it in the app.
Duplicate contacts can be sorted by filtering.

message
You can send text messages and check the sent history.

character template
Using pre-made templates, you can schedule text messages.
※ Send text messages after 1 month, 3 months, 6 months, 1 year, 2 years, 3 years (depending on the type of template)

To be updated later
Schedule notice, memo, archive

▶ Homepage: https://www.jsdsms.co.kr/

▶ This is a wireless Internet-based service. If you do not use wireless Internet or the connection condition is poor, there may be restrictions on the use of the service.