Compare ETATOS vs. MARS Reservation System

All-in-one booking system that allows you to manage and sell your activities and accommodation. You can take bookings directly from your website, and greatly reduce the number and frequency of phone calls required to confirm them. Our Booking Engine allows you to sell packages and give your customers the freedom to choose how much control you want. You can use our Payment Form to collect payments using any payment method you choose. You can set up automatic reminders to pay a deposit or balance payment, and allow bookings to expire if they are not paid. You can request information from your guest through the Guest Portal. You can ask specific questions, set up levels and select diets. The Guest Portal makes it easy to make your initial booking. Changing bookings, handling refunds, scheduling activities, assigning instructors, sending emails.

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.

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 concerns in mind. It does everything you need to make your retreat processes efficient and easy to handle. It will help you save tons of time while easily helping you set up and manage your programs. Some of the key things that set Retreat Guru apart are: - Software built for yoga, mediation, health & wellness, plant medicine, spiritual, buddhist, christian, and faith-based centers. - Accept bookings instantly and set up your program listings in minutes. - Show your real-time bookable inventory so guests can book their room with programs. - Automatically generate guest statements. - Access detailed meal, housekeeping, accounting, and other reports. - Automatically send guests pre-arrival and post-departure emails. - Collect rental inquiries from other retreat leaders looking for space. - Offer special discounts and flexible payment options for guests. - Offer the same room as a single, double or triple based on who books it first. - Keeping your entire team in sync by storing all retreat data in one place.

SiteMinder's online hotel booking engine is highly-converting and allows you to increase bookings on your hotel website while reducing dependence on third-party sales channels. Get more direct online bookings without any commission. Make it easy for your guests to book. It's a simple 2-step process. Mobile-friendly, so guests can book from any device. Modern and sleek design allow you to visually present the hotel's offerings in the best possible way. Automated entry eliminates manual entry and guesswork. SiteMinder's platform helps you reach, attract and convert more visitors. SiteMinder's #1 ranking Booking Engine brings the demand right to your door. This is your chance to take control of your hotel bookings.

Our easy-to-use online booking engine and reservation software will help you increase revenue and streamline your operations. Our cloud-based solutions allow you to optimize the guest experience before, during, and after your stay. Our integrated payment processing makes it easy to train staff and implement automated processes that will improve operations, guest management efforts, and secure payments. - Increase Operational Efficiency - OTA/Google Hotels Connections - Real-Time Rates/Availability Multiple Calendar Options - Upsell Addons and Packages - ADA Search Filters 24/7/365 Support (Phone and Email)

Smoobu is an all-in-one vacation rental management software that streamlines operations through a centralized Property Management System (PMS). This powerful command center allows for the professional oversight of all short-term rental operations from a single dashboard. By utilizing a high-speed Channel Manager for real-time calendar synchronization across all major booking platforms, Smoobu ensures accurate availability, effectively preventing double bookings and protecting your reputation. To scale your business, the Booking Engine and integrated Website Builder empower you to drive direct bookings and maximize total revenue. Hosts can further automate their workflow with a Guest Communication module that sends personalized messages and provides a digital Guest Guide for an elevated experience. With Dynamic Pricing to optimize nightly rates and detailed Statistics for performance tracking, Smoobu is the ultimate tool for managing everything—from individual apartments to boutique hotels—in one efficient, high-performance hub.

JOpt.TourOptimizer is an enterprise optimization engine for route planning, scheduling, and resource allocation across logistics, transportation, dispatch, and field service operations. It is built for organizations that need to solve complex planning problems under real-world business constraints rather than simple consumer-grade route calculation. The platform supports vehicle routing and scheduling scenarios such as VRP, CVRP, VRPTW, pickup and delivery, multi-depot planning, heterogeneous fleets, and workforce scheduling. JOpt.TourOptimizer can model time windows, working hours, visit durations, capacities, skills and expertise levels, territories, zone governance, overnight stays, alternate destinations, and custom business rules. This makes it suitable for production deployments where feasibility, transparency, and operational reliability matter. It is designed to generate practical plans that help teams balance travel time, service commitments, workload distribution, and operational cost in demanding enterprise environments. The solution is available both as an embedded Java SDK and as a Docker-based REST API with OpenAPI and Swagger support. This allows software vendors, enterprise developers, and system integrators to embed advanced optimization into TMS, ERP, CRM, WMS, dispatch systems, customer platforms, and field service applications. With support for scalable integration and modern service architectures, JOpt.TourOptimizer helps organizations improve planning efficiency, service quality, SLA compliance, transparency, and operational resilience at scale. It also supports enterprise integration strategies that require reproducible optimization runs, structured outputs, and flexible deployment models.

Park is the world's most easy-to-use campground management software, that is always free for you. You'll be an expert in no time with our simple drag-and-drop to manage your short-term and seasonal reservations, including invoicing and meter readings. Campers book from your website with your branded booking flow that will allow them to reserve their site in under a minute. Whether it's an RV site, cabin, kayak, tent, boat slip, or anything else - you can automate everything through Park. We'll build out your park and have you trained in under a week, so you can immediately see the uptick in business and have more time to get back to what you love.

Hostaway is a unique vacation rental system that integrates with multiple channels and offers support. Hostaway is easy to use and offers property managers the flexibility of the most sophisticated solutions. The dashboard and mobile application allow users to manage all aspects of their marketing, sales and accounting. Hostaway users are premium partners in channels like VRBO, Booking.com and Airbnb. They can also manage advanced setups and have the control and peace-of-mind that only Hostaway users have. Hostaway software was designed for teams. It makes it easy to train staff, improve business and keep them happy. Hostaway offers a booking engine, WordPress website, and both marketing tools and sales tools to manage your valuable direct bookings. Hostaway offers a number of industry-leading PMS and Channel managers, as well as more than 40 integrated software vendors on o

Lodgify is vacation rental software built for independent hosts who need efficient channel management. Sync calendars, rates, and availability across Airbnb, Vrbo, Booking.com, Expedia and many more to prevent double bookings and keep listings updated in real time. Create a professional website with a direct booking engine to secure commission-free reservations. Manage all guest communication from a unified inbox, schedule automated messages, and track tasks in one dashboard. Integrated payments simplify collecting and reconciling bookings. AI-powered tools help craft listing descriptions and guest messages that save time and improve conversion. With clear reports and owner statements, you stay on top of performance. Whether you rent one property or a few, Lodgify makes hosting less to manage, more to love.