G2 Vendor Directory

Cal.com vs. Zanda (formerly Power Diary)

A side-by-side comparison based on G2 review data.

MetricCal.com

by Cal

Zanda (formerly Power Diary)

by Zanda

Overall rating4.64.7
Review count154307
Ease of use9.29.2
Ease of setup9.58.8
Quality of support9.19.4
Meets requirements8.99.1
NPS81.88405884.96732
Small Business85.2%99.3%
Mid-Market9.1%0.7%
Enterprise5.7%0.0%
Total page views5,6491,107
Total LLM citations28,99212,745

Cal.com

The better way to schedule meetings Cal.com is a modern, fully customizable scheduling platform that gives businesses complete control over how meetings are booked, routed, and managed. Designed for flexibility and ownership, Cal.com adapts to how your organization works — not the other way around. Deploy it on your own infrastructure or use Cal.com’s hosted solution. Integrate seamlessly with the tools you already rely on, including Google, Microsoft, Salesforce, Zoom, and Stripe, while maintaining brand consistency through custom domains, white-labeling, and advanced routing logic.

Pros

  • Ease of Use
  • Easy Scheduling
  • Automatic Scheduling
  • Flexibility
  • Customization
  • Calendar Integration

Zanda (formerly Power Diary)

Zanda is an all-in-one practice management system, built to save time, reduce stress, and keep you in control. - Calendar and client management: scheduling, waitlist, automated appointment reminders, and confirmations. - Documentation: customizable clinical note templates, AI-powered session transcription and refinement, online forms and scored forms; - Client portal with online booking, reschedule and cancellation options, plus online payments, access to invoices, online forms, and telehealth. Accepting waitlist requests.

Pros

  • Ease of Use
  • Setup Ease
  • Customer Support
  • Scheduling
  • Helpful
  • Features