Appointment reminder text message built for Google Calendar and Microsoft Office 365 / Outlook. Send SMS, Text, Voice and Email they way you want to. Used by over hundreds of businesses from Owner Operators to Large HIPAA compliant corporations.GReminders appointment reminders for clients is an app that can be integrated seamlessly with Google Calendar to send out text reminders to clients so they don't miss the next appointment with you. What makes us one of the best appointment reminder app is the seamless integration and easy automation. You can send send text reminder from Google Calendar and be sure they are delivered right to your clients mobile. No shows are a thing of the past now. Visit for a free trial.