Koalendar – Easy Appointment Scheduling & Booking Plugin vs WP Time Slots Booking Form

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

WP Time Slots Booking Form is a powerful booking calendar solution that enables users to create customized booking forms for appointment booking on specific calendar dates. With this intuitive tool, you can design a user-friendly form featuring a calendar where end-users can easily select available time slots and complete their bookings. Upon booking completion, notification emails are automatically sent to the admin, ensuring they are informed of every calendar booking. Additionally, a confirmation email can be dispatched to the user who made the booking, enhancing the overall user experience. This versatile booking calendar system is ideal for a variety of applications, including reserving classrooms, purchasing event tickets, scheduling medical appointments, booking times in escape rooms, arranging personal coaching or professional assistance, and securing cleaning services. It is perfect for any service that requires customers to select specific date-times or groups of date-times (time slots) from a set of available options, making it an essential tool for effective appointment booking. In the booking calendar you can setup: Available time slots for each weekday Available time slots on specific dates Capacity (number of persons that can book) for each time slot The number of different time slots that can be selected in a single booking Minimum and maximum available dates Holiday or closed dates Price for each time slot Pricing for different numbers of selected slots Pricing options based on the number of adults and children (optional) Number of months to display Additional calendar features 10+ calendar design templates includes, both classic and modern views In addition to these calendar booking functionalities, other important features of the plugin include: A modern, mobile-friendly design A responsive calendar and booking form A visual form builder for easy customization Multi-language support for global accessibility Notification emails to keep users informed Modern, customizable, good-looking, anti-spam features to protect against unwanted submissions Email reports for tracking bookings CSV reports for data analysis A usage and stats area for insights A bookings list for easy management A printable schedule list for offline reference A multi-view calendar for displaying schedules Integration with Elementor, Gutenberg, and other page builders Support for add-ons, including the iCal add-on The plugin effectively manages the availability of each time slot, allowing you to define a maximum capacity for each slot and set the maximum number of time slots that a customer can select for their booking. You can optionally enable multiple individuals to book the same time slots until the capacity is fully filled. The plugin also allows you to set different prices for two groups (for example, adults and children) and includes additional options that make it suitable for purchasing event tickets or other activities/items with varying capacities. New Feature: Use our Visual Styles Editor to fully customize 10+ calendar templates. Transform your booking forms with a sleek, modern aesthetic in just a few clicks. Features in commercial versions While the free version of the plugin is fully functional, the commercial versions offer premium features that enhance its capabilities, including: Payment Integration: Support for various payment gateways such as PayPal, Stripe, Skrill, Authorize.net, iDEAL, SagePay, and Redsys. SCA Ready Payments: Payments are compliant with Strong Customer Authentication (SCA) and compatible with the new Payment Services Directive (PSD2) in the EU. iCal Synchronization: Easily import and export calendar events with iCal import and iCal export. Integration with External Services: Seamless integration with services like reCaptcha, MailChimp, Salesforce, WooCommerce, and more. SMS Notifications: Integration with SMS services via Twilio or Clickatell for booking confirmations and reminders. Booking Reminders: Automated reminders to keep users informed about their bookings. Rich Form Builder: Create advanced forms with conditional fields, multi-page forms, file uploads, and more. Additional Items Fields: Customize your forms with additional fields for specific requirements. Email Notifications: Stay updated with email notifications on booking status changes. For a complete list of commercial features, please visit the plugin download page. The Troubleshoot Area Use the troubleshot if you are having problems with special or non-latin characters. In most cases changing the charset to UTF-8 through the option available for that in the troubleshot area will solve the problem. You can also use this area to change the script load method if the booking calendar isn’t appearing in the public website.