Koalendar – Easy Appointment Scheduling & Booking Plugin vs Appointment Booking Calendar

Koalendar is a WordPress booking and appointment scheduling plugin that lets visitors book meetings, services, and appointments directly from your website. It removes the back and forth emails and manual coordination by syncing bookings automatically with your calendar. Built for WordPress users, Koalendar is easy to install, simple to configure, and works out of the box for individuals and small teams. It keeps availability up to date, prevents double bookings, and helps you turn any WordPress site into a complete online booking system in just minutes, with a Free Forever plan to get started. See Koalendar in action Watch how easy it is to set up and start accepting bookings on your WordPress website: Top Features WordPress booking and appointment scheduling plugin Unlimited booking pages and appointments Calendar sync with Google Calendar, Outlook, and iCloud Accept online payments for services and appointments Personalized booking pages that match your website design Multiple appointment types with custom durations Group bookings and classes with attendee limits Smart availability rules, buffers, and time off Team scheduling with shared and round robin availability Automated booking confirmations and reminders Easy embedding using WordPress blocks, shortcodes, or widgets Perfect for Koalendar is designed for small businesses, professionals, and teams who need a reliable scheduling system: Consultants and freelancers Coaches, tutors, and educators Agencies and remote teams Service based businesses Sales teams booking meetings and demos Anyone who needs an online scheduling calendar on their WordPress website Integrations Koalendar integrates seamlessly with the tools you already use, so your online booking system, calendar, and business workflows stay perfectly aligned. This allows you to manage appointments, meetings, and services without manual updates or double bookings. Calendar integrations with Google Calendar, Outlook, and iCloud to keep availability accurate in real time Video meeting integrations with Google Meet and Microsoft Teams, automatically generating meeting links for online appointments Payment integrations with Stripe, allowing clients to pay when they book an appointment or service Automation platforms such as Zapier, Make, n8n, and Pabbly to connect Koalendar with hundreds of apps and automate follow ups or internal workflows WordPress friendly setup, plus productivity tools like a Chrome extension for quickly sharing booking links Personalized Booking Pages Create clean, professional booking pages that match your brand and website design. Your visitors can make an appointment without leaving your website. Customize colors and layout Share a direct booking link or embed on any page Works with WordPress blocks, shortcodes, or widgets Optimized for desktop and mobile users Smart Availability and Calendar Sync Koalendar connects to all your existing calendars to keep your schedule accurate at all times. Sync with Google Calendar, Outlook, and iCloud Prevent double bookings automatically Set working hours, buffers, and time off Control availability per meeting or service Team Collaboration Built for teams that need shared scheduling. Schedule meetings with multiple team members Round robin and collective availability options Each team member connects their own calendar Perfect for agencies and growing small businesses Multiple Services and Appointment Types Koalendar lets you create multiple services and appointment types within a single booking system, each with its own duration, availability, and rules. This makes it easy to offer different kinds of meetings or services on your WordPress website without juggling multiple calendars or tools. Visitors simply choose the service they need and book an appointment online that fits your schedule. For example, a service based business such as a wellness studio, repair service, or local professional can create appointment types like initial visits, recurring services, or premium sessions, each with its own time length and booking rules, making it easy for customers to schedule the right service directly from the website. Group Bookings and Classes Koalendar makes it easy to manage group bookings and classes directly from your WordPress website. You can allow multiple attendees to book the same session, set participant limits, and keep everything organized in one scheduling system. This is ideal for workshops, coaching programs, fitness or wellness classes, and training sessions, where multiple people need to book the same time slot while you stay in control of capacity and availability. Custom Automations and Reminders (included in PRO plan) Send personalized confirmation and reminder emails before each appointment or meeting. This helps keep clients informed, reduces no shows, and saves time spent on manual follow ups. Custom Booking Forms (included in PRO plan) Collect additional information at the time of booking, such as contact details, service preferences, or special requests. This is especially useful for service businesses that need context before an appointment. Payments (included in PRO plan) Accept online payments for appointments and services directly through your booking system. Charge for consultations, classes, or sessions in advance to simplify billing and secure bookings before they happen. Backlog updates Here are some recent product updates: Appointment types (services): list multiple services directly on your booking page, each with its own price and duration Multiple and recurring bookings: invitees can book multiple dates, or set up recurring bookings, in a single flow Booking durations in hours or days: configure event durations using hours or days New booking page editor: redesigned editor for faster page creation and updates Koalendar available in Spanish and French File upload: collect files with the Google Drive integration Stripe Checkout: offer more payment methods and collect taxes Gmail integration: send booking emails from your own address New integrations: Zapier and Telegram Apple Pay and Google Pay supported automatically on supported devices and browsers

Simply Schedule Appointments® is an easy-to-use WordPress appointment booking plugin. It’s an automated appointment booking system loved by 70,000+ businesses, with a 5-star review average. The Simply Schedule Appointments booking calendars are easy and fast to set up. And enjoyable for your customers and clients to book and schedule appointments. You can set up the appointment scheduling calendars to take your first booking in less than 5 minutes! And, the best part is that our 5-star support team is here to help you each step of the way, either through our comprehensive and organized Help Center, here on the WordPress Forums, or directly from the Simply Schedule Appointments Support Tab within the plugin. Booking System Features to Help You Schedule Business Meeting Appointments Features included with the Simply Schedule Appointments Free Basic Edition for booking appointments: Unlimited Booking Calendars and Customizable Notifications Use Advanced Scheduling Options and Blackout Dates to highly tailor your schedule Embed the appointment booking calendars using the Block Editor, Elementor widgets, Beaver Builder modules, and Divi modules Style and Customize the Booking Calendars to match your brand and website Translation-ready – including Spanish, German, French, and more! Deeply connected with WordPress, including integrations for the The Events Calendar plugin, WP Fusion Automations, and more! Features included with the Simply Schedule Appointments Paid Premium Editions for booking appointments: Group or class event booking – Book time slots up to a certain capacity Booking Flows – Choose from a selection of booking steps and layouts Google Calendar Sync – Allow your site’s booking system to check your personal calendar for conflicts and customize those calendar events Team booking – Allow your staff to receive bookings and customize their own schedules Resource booking – Schedule meeting rooms, rental items and things such as bikes or tables, or set max occupancies Mailchimp – Automatically add users as new contacts to your audience from the booking form Stripe and PayPal for Payments – Instantly get paid for your time and expertise Twilio for SMS notifications and reminders Gravity Forms and Formidable Forms Integration – Create complex booking forms Zoom and Google Meet for virtual meetings Google Analytics and Tag Manager tracking enabled to count booking form conversions Trigger Webhooks for appointment actions and connect to Zapier ICS Subscription Feeds – Sync your personal calendar applications to all incoming bookings. Simply Schedule Appointments is perfect if you want to let your customers schedule phone calls, in-person or virtual video meetings, or coaching appointments. The perfect tool for business consultations, interviews, or scheduling services. You can tame and automate your schedule and easily manage when you’re available for appointments. And block off dates when you don’t want to be disturbed for bookings — no more phone calls or back-and-forth emails to find a meeting time that works. Simply let your WordPress booking system take care of it! Easily limit how many daily appointments you schedule and set the minimum time between bookings. Automate your schedule while still maintaining control of your availability — manage your booking calendars, time slots, and appointments all in one place. Offer different types of appointment calendars for your services. For example, you could allow new clients to schedule on an introduction call calendar or let established customers schedule a longer time slot with a separate calendar. And, forget about double-bookings, Simply Schedule Appointments is capable of preventing unexpected scheduling problems! Are you looking to offer tutoring or remote teaching classes? Let your students quickly book times with you for lessons, reviews, or simple consultations. Localized time zones make meetings for distance learning and remote office hours a breeze to schedule. Simply Schedule Appointments contains all the data from your appointments and customers within your WordPress site. Own your data and be fully GDPR-compliant and make it easier for your booking system to achieve HIPAA compliance. Complete documentation to start booking appointments today is available on our website. Getting Started with the WordPress Booking Calendars is Easy Use the built-in Setup Wizard to create your first Appointment Type in under 5 minutes. Next, just embed the booking calendar on your site using our general booking shortcode [ssa_booking] or our native WordPress editor block: Who This Booking System is For Simply Schedule Appointments is ideal for anyone who needs to automate and book appointments with clients and customers, including booking for: Client Meeting Booking — Entrepreneurs, Web developers, Consultants, Personal and Business Coaches, Lawyers, Car Dealers, Real Estate, Agencies Event Booking — Wedding coordinators, Dress Shops, Boutiques, Workshop Teachers, Food Truck Lots Class Lessons or Tutor Scheduling — Personal trainers, Yoga studios, Exercise Studios, Language / ESL Tutors, Dance Studios, Fitness Professionals, Music Teacher, Instructors, Professors Service Booking — Handyman Services, Contractors, Hair Salons, Barbershops, Photographers, Tattoo Shops, Notaries, Tax Preparations, Home Inspections Visitor Booking — Bakeries, Restaurants, Museums, Retirement Homes, Curbside Pickup Patient Booking — Nutritionists, Vaccination Appointments, Chiropractors, Physical Therapists, Pharmacy Prescription Pickups Simple Reservations — Equipment Rentals, Room Reservations, Table Reservations for Restaurants, Office Reservations Simply Schedule Appointments offers an excellent experience for your customers who need to book appointments. Our WordPress booking plugin has just the features you need without all the extra bloat and needless settings found in other appointment booking plugins. And our UI is snappy, highly responsive, and a joy to use. Flexible, Fast, and Powerful Booking Calendars Other appointment scheduling plugins are either too simple or too complicated. They lack the basic features you need to start automating your schedule and booking appointments, or, if they do have those features, as you grow and add services, staff, and locations, they become complex and confusing to use for booking. Simply Schedule Appointments is ready to grow with your business’ booking needs — without all the confusion and clutter of settings that don’t apply to you. It’s also highly compatible with WordPress and can be added to any theme and page layout on your site. Simply Schedule Appointments offers fully responsive booking calendars and works efficiently on any device – even touch screens. Our WordPress booking plugin will work dependably and reliably, whether you’re managing your appointment availability from your tablet or your customer is booking an appointment from their smartphone. User-Friendly and Accessible Booking System Our WordPress booking calendar system was designed with people in mind, first and foremost. So we’re always thinking about how people will be using our appointment scheduling plugin, what they’ll expect, and what booking features they’ll want and need. This WordPress booking calendar system is built with you and your customer in mind and is accessible for everyone. We believe appointment scheduling should be as clear and straightforward as possible while maintaining the flexibility and booking features our customers need. We’ve made sure that everyone can use our appointment scheduling plugin, including people with auditory, visual, and physical disabilities. Everyone deserves access to everything the web offers, so we built our WordPress booking calendar plugin with accessibility in mind. As a result, you’ll never have to worry that a customer will find themselves unable to schedule an appointment because of their abilities or the device they’re using. Deep Integrations With All the Tools and WordPress Plugins You Love Integrations included with the Simply Schedule Appointments Free Basic Edition for booking appointments: Logged in WordPress users can see their appointments and benefit from auto-filling Name and Email fields. Elementor widgets Beaver Builder modules Divi modules WP Fusion Automation The Events Calendar Integrations included with the Simply Schedule Appointments Paid Premium Editions for booking appointments: Google Calendar Mailchimp Stripe and PayPal for Payments Webhooks for Zapier and Make Twilio for SMS notifications Gravity Forms Gravity Wiz Perks Formidable Forms Google Analytics and Google Tag Manager Zoom and Google Meet for virtual meetings The Events Calendar Project Panorama LifterLMS Webex Facebook pixel Useful Links to Help You Start Booking Appointments Today Help Center for Troubleshooting and Setup Guides Free Basic Edition Setup Guide Booking Demos to Try Before Installation How to Display the Booking Calendars on a WordPress Page or Post Admin Dashboard Walkthrough Guide Full Appointment Type Settings Guide 1.6.12.4 – 2026-06-16 Fixes Restore webhook price fields in SSA appointment payloads Security: stored XSS via nested customer_information array (Patchstack) Defend Google Calendar token expiry against host clock drift Fix Zoom OAuth open redirect: use wp_safe_redirect 1.6.12.2 – 2026-06-09 Fixes Fix IDOR in MemberPress user appointment REST endpoints fix: neutralize CSV formula injection in appointment backup exporter Fix SSA module missing from Divi 5 picker with a child theme active 1.6.12.0 – 2026-06-04 Fixes Remove public-nonce fallback and tighten notices/templates REST auth 1.6.11.13 – 2026-06-02 Fixes test(security): drain async queue to close a Time-Of-Check to Time-Of-Use race against notification cron fix(notifications): stop drift resync from wiping still-applicable reminders Throttle deprecated id-token verifies; use hash_equals on token compares Fix token-comparison auth bypass in get_items_permissions_check 1.6.11.11 – 2026-05-26 Fixes fix: dedicated reorder endpoint for appointment types to avoid oversized save requests 1.6.11.9 – 2026-05-19 Fixes 💰Bug/Ticket: Database size issues and fatal error in async Prevent token-authenticated modification of admin-controlled appointment fields (CVE-2026-6723) fix(security): strip append_where_sql from REST requests WordFence Vulnerability Appointment Booking Calendar <= 1.6.11.0 – Missing Authorization to Unauthenticated Arbitrary Modification via Bulk Appointments REST API Endpoint 1.6.11.7 – 2026-05-12 Fixes Cover both signed in and signed out usage in Cypress tests Cap async endpoint delay to prevent DoS (CVE-2026-7493) 1.6.11.5 – 2026-05-05 Fixes Detect and resync out-of-sync appointment reminders Features and Improvements Add “Defer loading” toggle to booking integrations 1.6.11.3 – 2026-04-28 Features and Improvements For older changelog entries, please see the additional CHANGELOG.md file delivered with the plugin.