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 software that helps you create complex timetables, manage daily substitutions, and coordinate digital class registers to keep your entire educational institution running smoothly.
Quick Comparison
| Feature | Cal.com | Untis |
|---|---|---|
| Website | cal.com | untis.com |
| Pricing Model | Freemium | Custom |
| Starting Price | Free | Custom Pricing |
| FREE Trial | ✓ 14 days free trial | ✘ No 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 organization by automating the creation of conflict-free timetables. You can manage teacher schedules, room assignments, and student groups through a centralized platform that adapts to your school's specific pedagogical requirements. Whether you are handling simple weekly plans or intricate multi-period rotations, the system ensures all resources are utilized effectively while respecting individual constraints.
You can also handle daily changes with ease using the integrated substitution planning tools. When a teacher is absent, the software suggests the best possible replacements based on availability and qualifications, instantly notifying students and staff via the mobile app. It serves as a digital hub for your school, replacing paper-based class registers with digital versions that track attendance and lesson content in real-time.
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 respecting thousands of individual constraints for teachers, students, and specialized classrooms.
- Substitution Planning. Manage daily teacher absences quickly by finding the most suitable replacements and instantly updating the digital notice board.
- Digital Class Register. Track student attendance, record lesson topics, and manage homework assignments digitally to eliminate paperwork and improve data accuracy.
- Untis Mobile App. Provide your students and teachers with real-time access to their personal schedules and instant push notifications for any changes.
- Resource Management. Coordinate the booking of specialized rooms, laboratory equipment, and shared media devices to prevent double-bookings and scheduling conflicts.
- Student Choice Modules. Allow your students to select elective courses and afternoon activities directly through the platform for automated enrollment processing.
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
- Handles extremely complex scheduling constraints with ease
- Mobile app provides reliable real-time updates for students
- Modular system allows you to scale features as needed
- Strong compliance with European data protection standards
Cons
- Significant learning curve for the initial setup
- User interface feels dated compared to modern SaaS
- Pricing can be high for very small schools