Cal.com
Cal.com is an open-source scheduling infrastructure that gives you full control over your calendar, bookings, and data through a flexible, white-label platform designed for individuals and global enterprises alike.
Untis
Untis is a comprehensive school scheduling and resource management software designed to automate complex timetable creation while managing daily substitutions and school communication for educational institutions.
Quick Comparison
| Feature | Cal.com | Untis |
|---|---|---|
| Website | cal.com | untis.at |
| Pricing Model | Freemium | Custom |
| Starting Price | Free | Custom Pricing |
| FREE Trial | ✓ 14 days free trial | ✓ 0 days free trial |
| Free Plan | ✓ Has free plan | ✘ No free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2021 | 1970 |
| Headquarters | San Francisco, USA | Stockerau, Austria |
Overview
Cal.com
Cal.com is a highly customizable scheduling platform that puts you in total control of your time. Unlike rigid booking tools, it offers an open-source foundation that you can self-host or use in the cloud. You can manage everything from simple one-on-one meetings to complex round-robin distributions for large sales teams. It solves the headache of back-and-forth emailing by letting others book time directly on your calendar based on your availability rules.
You can deeply integrate the tool into your own product using its robust API and modular architecture. Whether you are a freelancer looking for a clean booking page or an enterprise needing a white-label solution with strict data residency requirements, it scales to meet your needs. You can automate your entire meeting lifecycle, from initial booking to automated reminders and post-meeting follow-ups.
Untis
Untis helps you master the complex challenge of school scheduling and daily resource management. You can automate the creation of conflict-free timetables that account for teacher availability, room constraints, and specific pedagogical requirements. The platform moves beyond static schedules by allowing you to manage daily substitutions, room changes, and cancellations in real-time, ensuring your school day runs smoothly even when the unexpected happens.
You can bridge the communication gap between administration, teachers, students, and parents through integrated web and mobile applications. Whether you are managing a small primary school or a large multi-campus university, the software scales to handle your specific organizational structure. By digitizing your class registers and grade books, you eliminate paperwork and centralize all essential school data in one secure location.
Overview
Cal.com Features
- Round Robin Scheduling Distribute incoming meetings automatically among your team members to ensure fair lead distribution and faster response times.
- Dynamic Availability Connect multiple calendars and set complex buffer times so you never get double-booked or overwhelmed by back-to-back meetings.
- White-Label Branding Remove all external branding and host the scheduling experience on your own domain for a completely native feel.
- Workflow Automation Trigger automated SMS reminders, email follow-ups, or custom webhooks the moment a booking is made or cancelled.
- Paid Bookings Connect your Stripe account to require payments before a meeting is confirmed, reducing no-shows and automating your billing.
- Routing Forms Screen your visitors with custom questions and automatically route them to the right person based on their specific answers.
Untis Features
- Automated Timetabling. Generate complex school schedules automatically while satisfying thousands of individual constraints for teachers, classes, and rooms.
- Substitution Planning. Manage daily teacher absences and room changes instantly with smart suggestions that minimize educational disruption.
- Digital Class Register. Track student attendance, document lesson content, and manage homework assignments digitally from any web-enabled device.
- Untis Mobile App. Access your personalized schedule and receive instant push notifications about room changes or cancellations on your smartphone.
- Resource Management. Coordinate the booking of specialized rooms, laboratory equipment, and shared school vehicles to prevent double-bookings.
- Parent-Teacher Communication. Schedule parent-teacher conferences and share student progress reports through a secure, centralized communication portal.
Pricing Comparison
Cal.com Pricing
- Unlimited event types
- Connect all your calendars
- Accept payments (Stripe)
- Workflow automations
- Cal Video for meetings
- Standard integrations
- Everything in Individuals, plus:
- Round Robin scheduling
- Collective scheduling
- Routing forms
- Team workflows
- Remove 'Powered by Cal.com' branding
Untis Pricing
Pros & Cons
Cal.com
Pros
- Extremely flexible and customizable via API
- Generous free plan includes unlimited events
- Open-source nature allows for self-hosting
- Clean and modern user interface
- Privacy-focused with excellent data control
Cons
- Slightly higher learning curve for developers
- Advanced features require the paid tier
- Occasional bugs in newer beta features
Untis
Pros
- Powerful automation engine handles extremely complex scheduling constraints
- Real-time synchronization between administration and the mobile app
- Modular structure allows schools to scale features as needed
- Highly reliable performance even for very large educational institutions
Cons
- Significant learning curve for new administrative users
- Interface feels dated compared to modern consumer apps
- Initial configuration requires a substantial time investment