With My Groups you can send Text and Mail to multiple contacts or a group. You can send Text or Mail to entire group with Attachments and Predefined message templates.
So now you don't need to add contacts one by one to send a group message or mail.
Create Groups - Create multiple groups and add contacts to them
Import Contacts - Import contacts from multiple sources
Group Text - Send group text (SMS, iMessage) to group of contacts or selected contacts
Group Mail - Send group mail to group of contacts or selected contacts
Attachments - Add attachment to Text and Mail from Photos, Videos, iCloud Drive, Import Computer
Message Template - Create predefines message template and use them while sending Text or Mail
Share Contacts - Select group of contacts or mutliple contact and share them as vCard file via Message, Mail or Other app.
iCloud Sync - All contacts and groups are sync over iCloud so they available on all of your devices