Softwr

Calendars · head to head

Assistant.to vs Cal.com

Assistant.to logo

Assistant.to

Calendars

The easiest way to schedule meetings

From
Free
Rated
-
Full reviewWebsite
Cal.com logo

Cal.com

Scheduling

Scheduling infrastructure for everyone

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Assistant.to no publicly published pricing rates on website; Cal.com free plan limited to single user only
  • They diverge on capability: Assistant.to covers In-email scheduling, Cal.com covers Custom booking pages.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Assistant.to and Cal.com actually diverge.

Attributes where Assistant.to and Cal.com differ
AttributeAssistant.toCal.com
PlatformsChrome-extensionWeb, Mobile app, Browser extension
CategoryCalendarsScheduling
Founded20142021

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), 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 Assistant.to

  • In-email scheduling
  • One-click booking
  • Google Calendar sync
  • Time zone handling
  • Simple interface
  • Gmail
  • Chrome-extension support

Only in Cal.com

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

Both cover

  • Google Calendar

What people use each for

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

Assistant.to

  • Schedulingnot Cal.com
  • Appointment bookingnot Cal.com
  • Time trackingnot Cal.com
  • Resource managementnot Cal.com
  • Team coordinationnot Cal.com

Cal.com

  • Schedule meetings and manage availabilitynot Assistant.to
  • Accept payments via Stripe and PayPalnot Assistant.to
  • Integrate with Salesforce and HubSpotnot Assistant.to

Where each one falls short

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

Assistant.to

  • No publicly published pricing rates on website
  • Requires scheduling demo or contacting sales to obtain pricing information
  • Free trial available but no specific trial duration mentioned

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

Pricing, plan by plan

Assistant.to

Free
  • FreeFree
    • In-email scheduling
    • Basic features
  • Pro$5/month
    • Team features
    • Custom branding
    • Priority support

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

Which should you pick?

Choose Assistant.to if

  • You need in-email scheduling.
  • You want to start without paying.
  • You work on Chrome-extension.
  • You also want one-click booking.
Assistant.to review

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

Questions people ask

Is Assistant.to or Cal.com better?
Neither clearly leads. Assistant.to starts at Free and Cal.com at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Assistant.to or Cal.com?
Assistant.to starts at Free and Cal.com at Free.
Does Assistant.to or Cal.com run on more platforms?
Assistant.to runs on Chrome-extension. Cal.com runs on Web, Mobile app, Browser extension.
Can I use Assistant.to for free?
Both have a free tier, so you can try either at no cost before committing.
What is Assistant.to best used for?
Assistant.to is most often used for scheduling, appointment booking, time tracking, resource management. Of those, scheduling and appointment booking are not what Cal.com is typically brought in for.
What can Assistant.to do that Cal.com cannot?
Assistant.to covers In-email scheduling, One-click booking, Google Calendar sync, Time zone handling. Cal.com covers Custom booking pages, Team scheduling, Collective scheduling, Routing forms. Both handle Google Calendar.

Answered from the vendors’ own pages

Assistant.to: How much does Cirrus Insight (Assistant-to) cost?

Cirrus Insight does not publish specific pricing on its website. Pricing is customized based on your organization's needs. The platform offers a free trial and allows you to build a custom quote in the self-service hub or schedule a demo with the sales team.

Source
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
Assistant.to: How does Cirrus Insight pricing work with seat selection?

Cirrus Insight allows you to have full control over seat selection, meaning you can purchase different quantities of users for different features. For example, you could license 10 users for Email Sync and 5 users for Calendar Scheduling in the same account.

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
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
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
Share

Related pages

More on Assistant.to

More on Cal.com

Keep looking

Other head to heads