Automatic appointment reminders for your Google Calendar™!
Listing updated:February 11, 2026
70K+
Overview
Apptoto is a complete appointment automation platform for your existing Google Calendar™. It automatically sends booking confirmations, appointment reminders, and follow-up messages by text, email, and voice so clients show up prepared, on time, and far less likely to cancel or forget.

Instead of juggling tools, spreadsheets, and manual follow-ups, Apptoto turns every calendar event into a reliable workflow that runs in the background. 

Missed appointments do more than disrupt your day. They create admin work, lost revenue, and constant rescheduling. Apptoto removes that friction by automating the communication that keeps appointments on track. 

Once connected, Apptoto syncs with your Google Calendar™ and contacts so every appointment can automatically include:

- Booking confirmations that clearly confirm the appointment details
- SMS, email, and voice reminders to prevent no-shows and late arrivals
- Two-way client messaging so questions are handled without phone tag
- Follow-ups after the appointment for payments, reviews, or next steps
- Self-serve rescheduling and cancellations to reduce back-and-forth
- Online scheduling pages that show real-time availability from your calendar
- Full or partial payment collection to secure revenue before or after the visit

Apptoto works for every appointment on your Google Calendar™, whether you add it manually, book someone over the phone, or accept bookings through your website. There’s no need to switch calendars or duplicate data.

You can automatically generate and include meeting links and details in confirmations and reminders for popular virtual platforms, including Google Meet™, Zoom, and Microsoft Teams. Clients always have the right link and show up ready.

Who Apptoto is for: 

Apptoto is designed for businesses that depend on scheduled client time, including:

- Medical and therapy practices
- Financial planners, advisors, accountants, and tax professionals
- Law firms
- Home and field service businesses
- Beauty, wellness, and fitness providers
- Tutors and educators
- Real estate professionals

If no-shows, late arrivals, and constant rescheduling are costing you time and money, Apptoto fixes that. 

Reduce no-shows. Protect revenue. Reclaim your time.

Getting started:

Turn your Google Calendar™ into a fully automated appointment system with Apptoto.

Pricing starts at $39 per month or $30 annually. Install the Google Calendar™ workspace app for free and try Apptoto risk-free for 14 days.

Google Calendar™ and Google Meet™ are trademarks of Google LLC.

If you want Apptoto directly inside Google Calendar™, install the Apptoto add-on here:
https://www.apptoto.com/s/googlecaladdon
Additional information
PricingFree of charge trial
Privacy policy
Terms of service
Apptoto - Appointment Reminders & Scheduling will ask for the permissions shown below. Learn more
Apptoto - Appointment Reminders & Scheduling will need access to your Google account
This will allow Apptoto - Appointment Reminders & Scheduling to :
See, edit, share, and permanently delete all the calendars you can access using Google Calendar
See, edit, download, and permanently delete your contacts
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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A User of Apptoto - Appointment Reminders & Scheduling
August 30, 2011
Have been trialling this app for the last month. Am now using it to support clients for a team of 20. Sending 500 reminders per week. Nothing is too much trouble for the support.team. They are quick to respond and if you need a change.... ..no problem. It is user friendly and incredibly easy to set up. I highly recommend this app if you need to cut down no shows and last minute cancellations etc. Needs to be easier to find in the marketplace. I searched for months for some sort of app to link to the info in Google Calendar to remind customers and I stumbled upon this whilst looking for something else. Pricing actually makes it an economically viable proposition to use. WAS A DIAMOND FIND HOWEVER AND WELL WORTH THE SEARCH.
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A User of Apptoto - Appointment Reminders & Scheduling
September 2, 2012
I am very satisfied with every aspect of this App. SMS, Email, and Call reminder to clients. Also marks your calendar with confirmations, or cancelations....etc.
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A User of Apptoto - Appointment Reminders & Scheduling
July 4, 2011
AppToTo: rocks. We didn't think we could afford a reminder service-- but our overall AppToTo experience has shown us that we can't afford not to have it. Our no show rate has plummeted, and our clients now think we are technically savvy.... Not only do our clients get an automated phone call confirming their appointments, but they also get a SMS message on their phone reminding them of the appointment. These guys even send us a text message when clients cancel their appointments. While the interface on line seems overly simplified, the real genius of this software is the people who run it. They have been great about customizing the service to fit our needs. The overall customer support has been fanatical!!!! The biggest problem with the service is that they don't make it apparent how customizable it is. Hopefully, they'll revamp the web site to include greater emphasis on how to reach customer service, and make it more obvious that this product is the "swiss army" knife of reminder services.
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