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Scheduling · head to head

Cal.com vs Zen Planner

Cal.com logo

Cal.com

Scheduling

Scheduling infrastructure for everyone

From
Free
Rated
-
Full reviewWebsite
Zen Planner logo

Zen Planner

Sports

Member management for fitness businesses

From
$99/month
Rated
-
Full reviewWebsite

The short version

  • Only Cal.com has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cal.com free plan limited to single user only; Zen Planner limited staff app features compared to desktop version
  • They diverge on capability: Cal.com covers Custom booking pages, Zen Planner covers Member management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Cal.com and Zen Planner actually diverge.

Attributes where Cal.com and Zen Planner differ
AttributeCal.comZen Planner
Starting priceFree$99/month
Pricing modelfreemiumUnknown
Free tierYesNo
PlatformsWeb, Mobile app, Browser extensionWeb, iOS, Android
CategorySchedulingSports
Founded20212006

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Cal.com

  • Custom booking pages
  • Team scheduling
  • Collective scheduling
  • Routing forms
  • Webhooks
  • Google Calendar
  • Outlook
  • Zoom

Only in Zen Planner

  • Member management
  • Automated billing
  • Class scheduling
  • Workout tracking
  • Marketing tools
  • Mailchimp
  • SugarWOD
  • Wodify

Both cover

  • Stripe
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Cal.com

  • Schedule meetings and manage availabilitynot Zen Planner
  • Accept payments via Stripe and PayPalnot Zen Planner
  • Integrate with Salesforce and HubSpotnot Zen Planner

Zen Planner

  • Workout trackingnot Cal.com
  • Nutrition managementnot Cal.com
  • Health monitoringnot Cal.com
  • Fitness coachingnot Cal.com
  • Wellness improvementnot Cal.com

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cal.com

  • Free plan limited to single user only
  • Free plan restricted to 1 user account
  • Teams plan requires yearly billing at $12/user/month
  • Organizations plan requires yearly billing at $28/user/month
  • Free plan lacks team collaboration features

Zen Planner

  • Limited staff app features compared to desktop version
  • System crashes and occasional bugs reported by users
  • Integration difficulties with certain third-party platforms
  • Customers report continued charges after completed cancellation

Pricing, plan by plan

Cal.com

Free
  • FreeFree
    • Unlimited event types
    • Calendar syncing
    • Workflow automation
  • Teams$16/month
    • Round-robin scheduling
    • Shared availability
    • Team workflows
  • Organizations$37/month
    • Organization-wide admin controls
    • Centralized management
  • Enterprise$null/month
    • Priority support
    • Dedicated database
    • Higher SLAs

Zen Planner

$99/month

No published plan breakdown. See the Zen Planner review.

Which should you pick?

Choose Cal.com if

  • You need custom booking pages.
  • You want to start without paying.
  • You work on Web, Mobile app, Browser extension.
  • You also want team scheduling.
Cal.com review

Choose Zen Planner if

  • You need member management.
  • You work on Web, iOS, Android.
  • You also want automated billing.
Zen Planner review

Questions people ask

Is Cal.com or Zen Planner better?
Neither clearly leads. Cal.com starts at Free and Zen Planner at $99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cal.com or Zen Planner?
Cal.com has a free tier; the other does not. Paid plans start at Free for Cal.com and $99/month for Zen Planner.
Does Cal.com or Zen Planner run on more platforms?
Cal.com runs on Web, Mobile app, Browser extension. Zen Planner runs on Web, iOS, Android.
Can I use Cal.com for free?
Yes. Cal.com has a free tier, so you can try it without paying. Zen Planner starts at $99/month.
What is Cal.com best used for?
Cal.com is most often used for schedule meetings and manage availability, accept payments via stripe and paypal, integrate with salesforce and hubspot. Of those, schedule meetings and manage availability and accept payments via stripe and paypal are not what Zen Planner is typically brought in for.
What can Cal.com do that Zen Planner cannot?
Cal.com covers Custom booking pages, Team scheduling, Collective scheduling, Routing forms. Zen Planner covers Member management, Automated billing, Class scheduling, Workout tracking. Both handle Stripe, Web support.

Answered from the vendors’ own pages

Cal.com: Does Cal.com have a free version?

Yes, Cal.com's free plan includes unlimited event types, calendar syncing, workflow automation, Stripe payments, and Cal Video at no cost, positioning it as one of the most fully featured free scheduling tools available.

Source
Zen Planner: Does Zen Planner have a free tier?

No, Zen Planner does not offer a free tier. Pricing starts at $99 per month with no free trial mentioned in their standard offerings.

Source
Cal.com: What is the difference between Teams and Organizations pricing?

Teams plan costs $16/user/month and is designed for small businesses with round-robin scheduling and shared availability. Organizations plan costs $37/user/month and adds organization-wide admin controls and centralized management for larger companies.

Source
Zen Planner: Can Zen Planner integrate with ClassPass?

Yes. ClassPass seamlessly integrates with Zen Planner, allowing gyms to sync their schedule and avoid overbooking when offering ClassPass to members.

Source
Cal.com: Is there a limit on the number of team members?

The free plan and Teams plan do not specify member limits in the documented pricing. Organizations plan is designed to scale for larger deployments.

Source
Zen Planner: Does Zen Planner work with SugarWOD?

Yes. Zen Planner integrates with SugarWOD, making it a popular choice for CrossFit gym owners who want to manage both WOD tracking and gym operations in one system.

Source
Cal.com: How much does the Enterprise plan cost?

Enterprise plan pricing is custom. Cal.com requires contacting their sales team to obtain a quote based on specific needs and SLA requirements.

Source
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