Scheduled can do a lot! Here are the features it supports:
Compose message – Write the message you’d like to send somewhere in the future
Plan message (date/time) – Schedule your message to be send at a specific time and date
Get reminded to send your message – You’ll receive notifications for the messages you’ve Scheduled, reminding you to send them
Auto Send – Schedule messages and have them be send on a time and date of your choosing, automatically. (Note: SMS Only!)
Choose your messenger – Send your message via your favorite messenger. Scheduled supports the following messengers: Whatsapp, (Facebook) Messenger, Telegram or iMessage
Send messages to multiple recipients or groups – You can send messages to multiple recipients or to a group – at once
Create groups - Create different groups with multiple recipients to send messages to
Snooze messages – Postpone sending a message for as long as you want (iOS only)
Duplicate messages – Duplicate messages to reuse them or send the same messages to multiple people
Import contact birthdays – Import the birthdays of your contacts so Scheduled can remind you to send them a birthday message
Import calendar - Import your calendar and choose the events you'd like to schedule a message for.