
Calendly
Doodle
Nocalendar.app
When2Meet
YouCanBookMe
Koalendar
Xoyondo
Appointment scheduling software for bookings, payments, recurring sessions, and multi-session appointments.

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Website, pricing, platforms and company facts side by side.
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| Website | calfrenzy.com | opalstack.com |
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| Company | Startup from the United States · 20 - 49 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Calfrenzy is an online appointment scheduling platform for professionals and teams that manage bookings, payments, reminders, recurring sessions, and multi-session appointments. Create booking pages, share scheduling links, sync calendars, accept payments, and let clients book based on real-time...
No description of Opalstack yet.
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As answered by people managing Calfrenzy and Opalstack.
Calfrenzy's answer
Best Value for Money
Get enterprise-level scheduling features at a fair price.
Flexible Team Pricing
Add +10 Free Team Members to your workspace at no extra cost.
Superior Scheduling Features
Enjoy more customization, automation, and integrations than competitors.
Seamless Experience
An intuitive interface built for both individuals and teams.
Calfrenzy's answer
Premium Online Scheduling at a Fair Price
Unlike competitors that charge high fees or lock essential features behind premium tiers, we provide a feature-rich scheduling tool at the best possible price.
Our Team Pricing Model Makes Us Even More Unique
✔ Bring your team for free! – Add up to 10 free team members at no extra cost.
✔ Ideal for teams needing group scheduling options – Collaborate effortlessly without additional fees.
✔ Scale affordably – As your team grows, you only pay for what you truly need.
Why Choose Calfrenzy Over Competitors?
Try Calfrenzy today and experience scheduling without limitations!
Calfrenzy's answer
Calfrenzy serves a wide range of professionals, businesses, and organizations that require seamless scheduling.
Professionals and Freelancers
- Consultants, coaches, and trainers managing 1-on-1 or group appointments.
- Creatives like photographers or designers who need customized booking pages and secure payments.
Small Businesses and Teams
- Service-based businesses (fitness classes, therapy sessions, tutoring).
- Teams coordinating internal and client-facing meetings with shared calendars.
Event Organizers
- Organizations hosting workshops, webinars, or group events requiring seamless scheduling and management.
- Coordinators handling recurring events, attendee invitations, and availability tracking.
Educational Institutions
- Schools and universities scheduling student-teacher meetings, parent conferences, or academic events.
- Students and tutors needing seamless scheduling and automatic time-zone adjustments.
- Admin staff managing group sessions, consultations, or office hours.
Sales and Customer Support Teams
- Teams scheduling product demos, consultations, or support sessions with clients.
- Sales reps using streamlined scheduling to enhance customer interactions.
Health and Wellness Professionals
- Therapists, personal trainers, and wellness practitioners managing client appointments and group classes.
Nonprofits and Community Groups
- Organizations managing volunteer schedules, group meetings, and community events.
Enterprises with Cross-Team Collaboration
- Corporations scheduling across departments and integrating with tools like calendars and video conferencing.
Global Teams and Virtual Services
- Teams and individuals working with global colleagues or clients for smooth communication across time zones.
- Professionals conducting virtual consultations without scheduling conflicts.
These user groups benefit from Calfrenzy’s customizable scheduling tools, integrations, and time management features, designed to meet their specific needs.
Calfrenzy's answer
Calfrenzy was born out of frustration with existing scheduling tools. Jeffery Thompson, Calfrenzy’s founder, struggled to find a solution that was both powerful and fairly priced. Many platforms either charged high fees, restricted key features, or made team scheduling overly complicated.
Determined to fix this, he set out to create a better, more intuitive scheduling tool—one that wouldn’t nickel-and-dime users but would still offer the premium features professionals and teams need.
The result? Calfrenzy: a scheduling platform that’s flexible, affordable, and built for both individuals and teams. With fair team pricing (including 10 free team members), seamless integrations, and customizable scheduling options, Calfrenzy makes booking effortless without breaking the bank.
Jeffery’s vision was simple: a tool that works for people, not against them—eliminating scheduling headaches and making online booking easier than ever.
Calfrenzy's answer
Calfrenzy serves a diverse range of users, from individual professionals to large enterprises. While we respect customer privacy, our platform is trusted by businesses in marketing, finance, education, and technology, where robust scheduling solutions are essential.
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