CalendarSpots vs. Callum Comparison Chart

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.

WaitWell is a comprehensive queue management and appointment scheduling platform built to elevate customer service, streamline operations, and boost overall efficiency. The system enables organizations to manage virtual queues, walk-ins, and pre-booked appointments through web links, QR codes, SMS, or optional self-service kiosks. Customers receive real-time notifications, AI-powered wait time estimates, and reminders, reducing uncertainty and frustration while improving satisfaction. Staff gain access to intuitive dashboards, advanced analytics, and reporting tools that help optimize workflows, staffing, and service delivery. WaitWell also supports secure payments and integrates seamlessly with key systems such as electronic health records (EHRs), customer relationship management (CRM) platforms, and student information systems (SIS), ensuring smooth data flow and stronger operational efficiency.

Paired Plus is the only true "all-inclusive" spa and salon software available in the industry. From re-imagined core features such as the appointment book, client profiles, point of sale, inventory and reporting to premium features such as our very own two-in-one mobile app, to the 'Fortune Teller,' online store, unlimited email marketing and of course our very own A.I. enhanced personal assistant, DARCI. Send out appointment reminders, surveys, e-forms and never miss a birthday or important holiday. Paired Plus also includes built in theft prevention, notifying the owner every time suspicious activity may have occurred. Our spa and salon software has over 300 built in reports guaranteed to meet your every need. What's more is every report can be emailed or downloaded in Excel format. This is the one software that you'll never outgrow. From single users to a 300-employee salon or spa, you receive every feature without paying a cent extra. Training & support are also free!

Streamline your customer flow with our SMS-powered waitlist, reservations, and queue management app for restaurants, health care providers, and many other businesses. * Customers can add themselves to your list via an embeddable widget, web page, or SMS message. Or you can turn this off. * Online reservations/appointments, customizable for restaurants, personal services, retail, entertainment, DMVs, and more. * Easily text guests when you're ready for them. Choose from a variety of customizable automated messages, or open up a 1:1 SMS chat. * Use other software for appointments? No problem. Upload reservations or use our API, then you can still manage your customer flow and messaging within our app. * Integrates with Square POS and Weebly to easily send texts when an order is ready. *No app for you or your customers to download.

Connecteam is an award-winning all-in-one employee management solution for daily operations, communications, and human resource management. With Connecteam you can manage every aspect of your business on the go, no workstation needed. Easily engage and manage non-desk employees with Connecteam’s mobile-first platform that helps improve communication, enhance daily processes and increase productivity with custom checklists, forms, and reports. Schedule shifts and track accurate work hours with Connecteam’s automated GPS time clock and easily export approved timesheets to payroll. Connecteam helps you keep your employees sharp thanks to knowledge base centers and advanced training courses. Raise morale with employee recognition rewards and keep the entire company updated through the main news feed. Simplify employee communication, enhance professional skills, manage daily tasks and so much more, all in one app and for an affordable price.

Synerion is workforce management software that makes complex time and attendance simple. Track time from biometric clocks, mobile with geofencing, web, or kiosks; build accurate schedules and control labor costs with premiums, wage grids, step rates, and project level allocation. Real time alerts flag missed punches and overtime before they hit payroll. PTO, leave, and accruals are included. Implementation is handled in house by experienced specialists, not outsourced. Choose fast start Agile or fully configurable Enterprise to match your needs. Connect to your existing stack with 100 plus payroll, ERP, and HR integrations. Trusted for 35 years by thousands of organizations, Synerion gives you clean data, fewer exceptions, and confident compliance across locations and unions. Book a demo to see how the platform adapts to your rules, not the other way around. Gain visibility with dashboards and audit ready reports that put hours, coverage, and costs at your fingertips.

Qminder is the leading Offline CRM for in-person service, an all-in-one hub for walk-ins, appointments, and queue management. Designed for organizations that rely on face-to-face interactions, Qminder bridges the gap between digital convenience and real-world service. It provides full visibility into the customer journey, while Service Intelligence tools turn data into actionable insights—helping businesses reduce wait times, optimize workflows, and improve efficiency. Trusted by government agencies, healthcare providers, financial institutions, universities, and major retailers, Qminder simplifies queue management, appointment scheduling, and real-time communication—ensuring seamless service and happier customers. Get started in under a week and see results from day one. With three flexible pricing plans and zero setup costs, onboarding is quick and hassle-free. Qminder has powered 1+ billion service interactions for AT&T, Verizon, Uber, Apple, and more. Now, it’s your turn.

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.

Skedda is the world's leading workplace space-scheduling platform. Infinitely customizable, the platform allows organizations to automate complex and time-consuming booking tasks, to better manage their spaces. Skedda removes the hassle of manually managing all things 'space-scheduling', so that your teams can focus on work that matters. Organizations like Mercedes-Benz, Siemens and Harvard University are already using Skedda to help them do just that. Regardless of the size of your organization, Skedda removes the logistical headache. Experience the award-winning Skedda difference today. Skedda's platform features include complex scheduling automation, interactive maps and floorplans, mobile capabilities, user management, online payments, calendar sync, a tablet view, SSO support and 24/7 support.

For artists and studio’s on top of their game! Keep digital track of your appointments and customers. For single artists staying in their own shop, or traveling the world; as well as for small to very big studio’s looking to book their artists as seemingly as possible. Bring a customer-friendly AND artist-friendly service to your tattoo studio with Tattoogenda’s tattoo shop software! Tattoogenda sends automated reminder SMS and/or emails to your customers, right before their appointments. We make sure your deposit rules get read by your clients too. The steps to create a tattoo project are designed so you or your manager can ask all the right questions to your customer. Like placement, size, color or black and grey, etc. When making new bookings, the list of dates gets automatically emailed to your customer. No more writing mistakes with manually written dates on business cards.