Send SMS reminders for the appointments in your Google Calendar™ to customers all over the world. We support sending texts to the US, Canada, the UK, Australia and all European countries + many more. Instructions: Install the app, then visit https://calendar.google.com/. Find the app in the right-hand sidebar of your calendar. Open it to setup your account and set reminders. How Does it Work? Simply select an appointment from your calendar with the SMS Reminder app open, then add the phone numbers where you want the reminders sent. That’s it! Setting reminders is quick with our Message Template that’ll set a standardized message & reminder schedule. Your message template lets you populate data directly from your appointment and insert the Title, Date and Time in your reminder message. Try it for Free You can send up to 25 reminders for free before you need to pay.