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.
Zen Planner
Zen Planner is a comprehensive gym management software providing member scheduling, automated billing, and performance tracking tools to help fitness business owners streamline operations and retain more active members.
Quick Comparison
| Feature | Cal.com | Zen Planner |
|---|---|---|
| Website | cal.com | zenplanner.com |
| Pricing Model | Freemium | Subscription |
| Starting Price | Free | $121/month |
| 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 | 2006 |
| Headquarters | San Francisco, USA | Highlands Ranch, USA |
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.
Zen Planner
Zen Planner is a specialized management platform designed to help you run your fitness business more efficiently. Whether you own a CrossFit box, martial arts school, or yoga studio, you can handle everything from member check-ins to automated billing in one centralized dashboard. It eliminates the manual headache of tracking attendance and chasing payments, allowing you to spend more time on the floor with your athletes.
You can manage your entire community through a dedicated member app where clients book classes and track their personal workout progress. The software also provides deep insights into your business health with automated financial reporting and retention alerts. It is built specifically for small to mid-sized boutique fitness studios that need to professionalize their operations without adding complex administrative overhead.
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.
Zen Planner Features
- Automated Billing. Set up recurring payments and automated failed-payment alerts so you never have to chase a membership fee again.
- Member Mobile App. Give your members the power to book classes, track their workout results, and update profiles directly from their phones.
- Digital Waivers. Go paperless by having new members sign digital waivers and contracts that automatically attach to their secure profiles.
- Attendance Tracking. Monitor class sizes and individual member consistency with a simple check-in kiosk that updates your records in real-time.
- Advanced Reporting. Access over 100 pre-built reports to track your revenue, member retention trends, and overall business growth instantly.
- Workout Tracking. Keep your members engaged by allowing them to log their daily scores and celebrate personal records within the app.
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
Zen Planner Pricing
- Automated billing and payments
- Member mobile app
- Staff mobile app
- Digital waivers and contracts
- Attendance tracking kiosk
- Advanced business reporting
- Everything in the 50-member tier, plus:
- Increased member capacity
- Automated email marketing
- Integrated website options
- Performance tracking tools
- Dedicated onboarding coach
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
Zen Planner
Pros
- Highly customizable reporting provides deep business insights
- Integrated payment processing simplifies monthly revenue collection
- Responsive customer support helps with technical setup
- Member app improves class booking convenience for clients
Cons
- Initial setup can be time-consuming for new users
- User interface feels slightly dated compared to competitors
- Mobile app occasionally experiences slow loading times