Bookwhen vs. Eventsize Comparison Chart

Trumba is an event calendar and registration platform for your website or intranet. Manage all your event data in one place and publish custom calendars for your end users. Trumba currently powers the event calendars for large organizations and small businesses worldwide. Features include: • Customizable and unlimited calendars to cater to multiple audiences or business units. • Integration with 3rd party calendars to manage and publish all events in one place. • Flexible event management with custom templates and role-based editor access. • Event registration with custom forms and payment gateway support. • Attendee management including automated wait listing. • HIPAA-compliant solution for hospitals and healthcare organizations. • SSO support for user and visitor management. • Automated reminders and follow-ups, calendar syncing and personalized event lists. • Integration services and ongoing support included. • And so much more.... Get a demo or free trial today.

Retreat Guru is the ONLY all-in-one retreat management software. It was built specifically for retreat centers with all of their needs, complexities, and concern in mind. Retreat Guru was designed to help all kinds of retreat centers like christian and faith-based, health & wellness, spiritual, buddhist, yoga, mediation, etc. to easily set up programs, manage them efficiently, and save more time by: - Accepting bookings directly from your website. - Allowing guests to book their rooms with programs at the same time. - Automatically generating guest statements. - Accessing detailed meal, housekeeping, accounting, and other reports. - Automatically sending pre-arrival and post-departure emails to guests. - Collecting space rental inquiries from other retreat leaders. - Offering special discounts and flexible payment options for guests. - Offering dynamic room set-up based on who books it first. - Keeping your entire team in sync by storing all retreat data in one place.

Bókun, a Tripadvisor company, is the complete booking and channel management solution for extraordinary experiences. The only booking system you’ll need to run, sell, and grow your experiences. Bókun is the how to your wow - tech built for experience operators and resellers who want to focus on guest experiences, not get lost in admin. One platform. Every tool. From booking widgets that boost direct bookings, an engine for instant online sales, a Marketplace of 2,600+ OTAs and resellers, seamless channel and inventory control, website builder, and detailed reporting. All set up to boost bookings and strip away admin headaches. ✅ Stop juggling systems. Run everything from one dashboard. Save up to 200 hours/year. ✅ Bookings sync instantly so you avoid double-bookings and admin frustration.​ ✅ Scale your business with 2,600+ resellers, including 70+ global OTAs, smart reporting to spot new opportunities, and flexible channel control. Claim your two week free trial (no c

Regpack is an online registration and payment platform built for programs, not subscriptions. It centralizes enrollment, data collection, and payments in a single system, so you can manage participants, streamline operations, and eliminate manual processes. Used by camps, courses, afterschool programs, and multi-program organizations, Regpack connects registration forms, payment workflows, and reporting in a way subscription billing tools can't. Instead of forcing your process into recurring billing logic, Regpack is designed to reflect how programs actually operate, from first sign-up through final payment. With features like customizable registration flows, flexible payment plans, automated invoicing and reminders, and real-time reporting, Regpack gives you full visibility into your enrollment and revenue. Whether you are running a single program or managing multiple sessions and locations, everything stays connected in one place.

Less admin. More training. Arlo is a purpose-built training management system designed for training providers. It enables you to manage course registrations, payments, websites, CRM, and reporting all through one powerful platform. Effortlessly create courses, automate communications, and manage your training schedule & presenters across face-to-face, live-online, and blended learning. Automate the entire registration workflow with customizable forms, flexible payment options and smart invoicing. Leverage waitlists, discounts, and registration rules for private and public courses. Manage client records, relationships and leads all in one place. Track course performance, build customizable reports and make informed decisions that drive growth. Drive more traffic, optimize conversions and update your website in real time. Seamlessly integrate your website or use Arlo’s modern, out of the box solution.

SiteMinder’s high-converting online hotel booking engine empowers you to maximize bookings from your hotel website and reduce dependency on third-party sales channels. Grow your direct online bookings with zero commission. Make booking easy for your guests. Simple 2-step booking process. Mobile-friendly so guests can book on all devices. Slick and modern design allows you to visually present your hotel’s offering in the best way possible. Remove manual entry and guesswork with automation. Reach, attract, and convert more guests with SiteMinder’s platform. SiteMinder’s #1 ranked Booking Engine brings demand right to your front door. Available with the world’s leading hotel commerce platform and designed from the ground up to optimise every step of the direct hotel booking experience, this is your chance to control your booking journey.

Managing your campground has never been this simple. Park With Us is the world’s most user-friendly campground management software, and it’s always free for you. ✅ Effortless Reservation Management – Our intuitive drag-and-drop interface makes handling short-term and seasonal bookings a breeze, including invoicing and utility tracking. ✅ Seamless Online Bookings – Let guests reserve directly from your website with a branded booking flow—in 60 seconds or less! ✅ Total Business Automation – From RV sites and tent spots to cabins, kayak rentals, boat slips, and more—Park With Us streamlines it all. Book a demo today, and we'll set up your park for you—completely free! Once you're ready, we’ll have you live within a week, bringing in more campers and giving you more time to focus on what matters.

Bookinglayer is an all-in-one booking management system built for retreat centers, boutique hotels, surf camps, wellness resorts, and others offering experiences alongside stays. Designed to increase average booking value, save time, and reduce errors, Bookinglayer helps you scale with ease. Manage bookings, payments, scheduling, multi-location logistics, upselling, and guest communication — all in one place. With a customizable booking engine, you can sell your experiences your way. Whether fixed-date retreats, hotel-style stays, or bespoke packages, tailor the booking flow to suit your business. Guests can select accommodation, activities, and add-ons in one seamless booking experience. With powerful features like built-in scheduling, digital waivers, multi-location support, and a self-service guest portal, Bookinglayer is made for businesses that don’t fit the standard hotel mold. We offer 24/7 real human support, a 95% client retention rate, and 10+ years of experience.

EventsAir is a comprehensive, all-in-one event management platform. With over 30 years of expertise, EventsAir has powered 350,000+ successful, complex events, earning the trust of the industry's best to deliver seamless, standout experiences. Our feature-packed, cloud-based platform provides all the tools and technology event planners need to execute engaging in-person, virtual, and hybrid events from start to finish.  Flexibility is at the heart of EventsAir's design, ensuring it scales and transforms effortlessly to cater to the diverse needs of events, delivering an experience that's tailor-made for everyone involved. From built-in budgeting and accounting tools to breathtaking on-brand event sites, seamless registration experiences, and even mobile event apps that can be published in minutes, EventsAir truly makes event planning a breath of fresh...air.   At EventsAir, we stand as a dedicated technology partner.

Make online appointment scheduling and management a breeze with Acuity Scheduling. Acuity Scheduling is an easy to use online appointment scheduling software that helps professionals and businesses fill their schedule--minus all the hassle. With Acuity, clients see your real-time availability, book appointments fast, and pay in advance. All without you needing to organize and reorganize things.