What iPhone apps are available for sending bulk SMSs?

Solution 1:

Built-in Group Messaging

On any iPhone with iOS 4 you can enable group messaging which will allow you to message a group and for responses to be sent to the whole group:

  1. Open Settings
  2. Tap Messages.
  3. Finally, flip the Group Messaging slider to On.

Other soltions include:

  • Mass Text Message
  • Beluga
  • textPlus