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About

Cal ID is a cloud-based scheduling platform designed to streamline appointment booking and manage calendars for professionals and teams. The tool offers unlimited scheduling links, full customization of booking pages, and deep integrations with major apps like Google Calendar, Outlook, Zoom, Slack, and payment systems. It allows hosts to create multiple event types with different durations and rules, set up round-robin or collective scheduling for team availability, and automate reminders and follow-ups to reduce no-shows. The software supports multi-calendar sync so users can manage work, personal, and shared calendars in one place, and provides analytics on bookings, attendance, and conversion trends. Cal ID positions itself as a no-cost alternative with a free-forever plan offering key functionalities and an open source foundation that allows self-hosting or contributions.

About

ClicknBook is a free appointment booking and scheduling software designed for professionals, teams, and organizations that need a simple way to manage appointments and client bookings. The platform allows businesses to create online booking pages where clients can view availability and book appointments in seconds. Professionals can manage their schedules using an intuitive calendar interface, organize services, and handle bookings across multiple team members or locations. ClicknBook includes automated appointment reminders to reduce no-shows, secure online payments during booking, invoicing tools for services provided, and client management features to keep track of customers and appointment history. The software is suitable for consultants, clinics, therapists, coaches, service providers, and any organization that needs reliable appointment scheduling and online booking capabilities.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Solopreneurs, service professionals and small teams in search of a tool to manage bookings, automate reminders and optimize calendar workflows without paying for basic features

Audience

Organizations that manage appointments, small businesses, independent professionals, clinics, consultants, service providers, beauty salons, therapists, coaches.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

$12.90/month
Free Version
Free Trial

Reviews/Ratings

Overall 4.9 / 5
ease 4.6 / 5
features 4.7 / 5
design 4.6 / 5
support 4.6 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Cal ID
United States
cal.id/

Company Information

ClicknBook
Founded: 2025
United States
clicknbook.com/online-appointment-scheduling

Alternatives

Alternatives

Sign In Scheduling

Sign In Scheduling

Sign In Solutions

Categories

Categories

Appointment Scheduling Features

Appointment Reminders
Automated Scheduling
Calendar Sync
Client Database
Group Scheduling
Mobile Access
Multi-Location
Online Booking
Online Payments
Recurring Appointments
Room Booking Management

Appointment Scheduling Features

Appointment Reminders
Automated Scheduling
Calendar Sync
Client Database
Group Scheduling
Mobile Access
Multi-Location
Online Booking
Online Payments
Recurring Appointments
Room Booking Management

Integrations

Google Calendar
Stripe
8x8
Close
Demodesk
Fathom
GIPHY
Gmail
Huddle.Team
Matomo
Meta AI
Microsoft Exchange
Microsoft Office 2024
Payflow Payment Gateway
Pipedream
SendGrid
Webex AI Agent
Zapier
Zapier Canvas
viaSocket

Integrations

Google Calendar
Stripe
8x8
Close
Demodesk
Fathom
GIPHY
Gmail
Huddle.Team
Matomo
Meta AI
Microsoft Exchange
Microsoft Office 2024
Payflow Payment Gateway
Pipedream
SendGrid
Webex AI Agent
Zapier
Zapier Canvas
viaSocket
Claim Cal ID and update features and information
Claim Cal ID and update features and information
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Claim ClicknBook and update features and information