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Top 43 Appointment Reminder Software Companies Under $1M Revenue (September 2026)

As of September 2026, Latka tracks 43 appointment reminder software companies under $1M in annual revenue. They have combined revenues of $22.5M and employ 213 people. They have raised $2.3M and serve 265.6K customers combined.

Every company below sells appointment reminder software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.

What Appointment Reminder Software Companies do

Appointment reminder software is a type of application designed to automate the process of notifying clients or patients about upcoming appointments. By integrating with existing calendar systems, it ensures timely reminders are sent through various communication channels such as SMS, email, or automated voice calls. This technology serves to reduce no-shows and improve overall scheduling efficiency for businesses in various sectors including healthcare, beauty services, and professional consultations. The primary use cases for appointment reminder software include enhancing client engagement, minimizing last-minute cancellations, and ensuring that schedules are adhered to. Typical features include customizable messaging, calendar synchronization, and the ability to send reminders well in advance or on the same day as the appointment. Workflow automation such as automatic rescheduling notifications or follow-up messages is also a common aspect, thereby streamlining appointment management. This software is often used by healthcare providers, beauty salons, personal trainers, and other service-oriented businesses that rely on appointment scheduling. Common buyer personas include administrative staff, operations managers, and marketing professionals who are focused on improving customer satisfaction and operational efficiency.

Companies
43
Revenue
$22.5M
Funding
$2.3M
Employees
213

Filters

Sorting: Highest -> Lowest

Filters

Top Appointment Reminder Software Companies Under $1M Revenue

Showing 10 of 43 companies ranked by annual revenue.

1DenGro logo
DenGro

Bath, BATHNES, United Kingdom

DenGro is a CRM built for dental businesses that streamlines the handling of all patient enquiries through automation and integrations whilst providing clear real-time ROI and performance reporting and insights. The result is a dramatically improved patient experience, greater team efficiency and maximised revenue growth.

Revenue
$990K
Year founded
2015
Team size
9
2bookinglab logo
bookinglab

United Kingdom

We help the public sector improve citizen experience, increase efficiency, and reduce costs with an industry-leading booking automation platform.

Revenue
$990K
Year founded
2019
Team size
9
3Xcare logo
Xcare

Burlington, Ontario, Canada

Xcare is the all-in-one patient engagement platform designed for practice growth and help scaling clinics turn users into brand ambassadors. We also have a Mobile app that patients and providers love. Moreover, we are a complete patient communications & engagement platform with scheduling, automated messaging, marketing & recall reminders, payments, and more-like email, SMS messages, app notifications and a patient self-serve portal-so you can build great patient relationships, every step of the way.

Revenue
$990K
Team size
9
4Ofcorz logo
Ofcorz

Almere, Flevoland, Netherlands

At Ofcorz we build software that helps you run your business like never before. We are an all-in-one booking and payment software for you, your team and your customers. Our software will assist you in receiving payments, features an online agenda, includes a built-in CRM system, manages communication with your customers and your team, provides insights into various statistics and trends within your business, and much more. Our product is a combination of pixel-perfect design and world-class engineering, with an incredibly strong focus on simplicity. Our mission is to make your business more successful. The trust bestowed upon us by numerous companies is a responsibility we carry with gratitude and determination. Our pledge extends beyond excellent support; we are unwavering in our commitment to enhance the product continually.

Revenue
$990K
Team size
9
5TrustAnalytica logo
TrustAnalytica

Vancouver, BC, Canada

SaaS company that helps small to medium size businesses manage online reputation, process payments, automate booking, generate and process leads. Trust Analytica is all in one customer engagement tool. Trust Analytica help local businesses provide convenient online experiences that improve customer interactions.

Revenue
$880K
Year founded
2019
Team size
8
6Simple Interact logo
Simple Interact

Dallas, Texas, United States

Simple Interact is a leading Front Office Automation company that helps Physician groups, Health Centers, and Hospitals across the United States run more efficiently and profitably by reducing the burden on staff while also improving patient experience and satisfaction. Our one-stop platform automates front office workflows such as  patient intake forms, consents, check-in, patient engagement, reminders, 2-way SMS, online reputation, scheduling, and referral management. What sets us apart is our focus on fostering a "simple" user experience to boost patient participation and staff adoption, while also having a customizable platform that enables us to rapidly address customer-specific needs and evolving market demands. We don't cut corners and take the time to build deep integrations with EHR systems, and to help customers track and improve their business results. We pride ourselves in having built a software platform from the ground up to help Healthcare providers address three constant challenges: rising costs, downward pressure on reimbursements, and ever-changing regulatory requirements. To learn how we can be of service to you, reach out by visiting our website (https://simpleinteract.com/) and submitting your information (https://simpleinteract.com/#contact).

Revenue
$880K
Year founded
2013
Team size
8
7ER Express logo
ER Express

Atlanta, Georgia, United States

Company Description ER Express is a healthcare software company partnering with health systems and providers in both human and animal health Our white-labeled self-scheduling, queuing, and mobile registration platform drives financial, operational, and patient experience results at more than 400 health system ED and urgent/immediate care facilities.

Revenue
$880K
Year founded
2011
Team size
8
8Bubocar logo
Bubocar

Sevilla, Spain

We are a software development company that was born to create after-sales solutions for the automotive sector. We are specialized in the digitization of processes and the improvement of the customer experience. Our core product, Caribou, is a SaaS that digitizes the entire automotive aftermarket customer experience, from appointment request to car delivery.

Revenue
$848.9K
Year founded
2014
Team size
7
9Shop Controller logo
Shop Controller

Chandler, Arizona, United States

Be the hero that your auto shop and customers deserve when you power your shop with ShopController, the only online operating system created for mechanics - by mechanics.

Revenue
$770K
Year founded
1992
Team size
7
10Ruoom Inc. logo
Ruoom Inc.

Austin, Texas, United States

Online booking software and integrated CRM, designed for wellness, fitness, personal care, and events. Available in the U.S. 🇺🇸 and South Korea 🇰🇷.

Revenue
$770K
Team size
7

Frequently asked questions about Appointment Reminder Software Companies Under $1M Revenue

How many appointment reminder software companies under $1M in annual revenue are there?

Latka tracks 43 appointment reminder software companies under $1M in annual revenue. Together they generate $22.5M in annual revenue and employ 213 people.

Which appointment reminder software company under $1M in annual revenue is the largest?

DenGro is the largest, with $990K in annual revenue, founded in 2015.

How much revenue does a typical appointment reminder software company under $1M in annual revenue make?

The average appointment reminder software company in this list makes $522.9K a year, across 43 companies with reported revenue. They serve 265.6K customers combined.

Who are the leading Appointment Reminder software vendors under $1M in annual revenue?

Ranked by annual revenue, the leaders are DenGro, bookinglab, Xcare, Ofcorz and TrustAnalytica.

How much funding have appointment reminder software companies under $1M in annual revenue raised?

The 43 appointment reminder software companies under $1M in annual revenue tracked here have raised $2.3M in disclosed funding between them.

Related Customer Service Software categories

Inclusion Criteria

- Must enable automatic reminders through multiple communication channels (SMS, email, voice). - Should allow for easy integration with existing calendar systems or booking platforms. - Must provide customization options for messaging to cater to specific client needs. - Should offer reporting features to track appointment statistics and no-show rates. - Not just a basic notification service; must also provide follow-up options and rescheduling notifications.