Which software is better for sending short messages in groups?

This is a very smart message, group software. We can automatically group our mobile phone numbers, and then send short messages in groups more conveniently. There is no upper limit on the number of short messages sent at a time, and hundreds of thousands of short messages can be sent at most. ?

2. "SMS sender"?

A powerful SMS group sending assistant, this software supports the direct import of mobile phone numbers from the form, so that a group sending can be sent to thousands of mobile phones, only manual import is needed, and the rest is done automatically. ?

3. Yixin?

Yixin can send short messages to mobile, Unicom and telecom users for free, and even in the absence of wireless network, messages can be delivered immediately.

4. "hang up SMS"?

This software can automatically reply to each other's short messages according to our settings. We just need to set the template, and whether the other party answers the phone or not, we can automatically send a set short message to the other party's mobile phone. ?

5. "My letter"?

Very easy to use SMS synchronous forwarding assistant, you can easily send the notification SMS from one mobile phone to multiple mobile phones, and you can also synchronize the SMS received by other mobile phones to one mobile phone. There is also a unique SMS encryption function, even if it is used for business.