You have the option to set up an additional reminder in Minup, and you can also customize it to be sent to your client a specific number of hours or days before the appointment starts.
Step-by step guide:
Go to Admin page.
Go to Services.
Click on the “Edit” button on the service where you’d like to set additional reminder.
In the Reminders section, select Add a second reminder.
Set how many days or hours before the appointment the reminder should be sent to the client for that specific service.
Once you're done editing, click Save.
Optional: You can customize the second reminder email template in the Email templates section. Learn more.