What is the best software for sending group text messages?

Evaluating the quality of a software depends on delivery quality, platform functions and transparency, after-sales service and price. There are many good ones, such as Haoyu Information Communication, 238, Dada, etc., but of course there are many worse ones. The important thing is to check the reputation of netizens according to your own needs. Don't just look at cheap pictures, but make comprehensive comparisons