Scheduling · head to head
Cal.com vs Outlook Calendar

Outlook Calendar
Calendars
Professional calendar management for Microsoft 365
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Cal.com free plan limited to single user only; Outlook Calendar offline support limited to only past 30 days of events, older events unavailable
- They diverge on capability: Cal.com covers Custom booking pages, Outlook Calendar covers Meeting scheduling.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Cal.com and Outlook Calendar actually diverge.
| Attribute | Cal.com | Outlook Calendar |
|---|---|---|
| Pricing model | freemium | Unknown |
| Platforms | Web, Mobile app, Browser extension | Web, Windows, macOS, iOS, Android |
| Category | Scheduling | Calendars |
| Founded | 2021 | 1975 |
Identical on both: starting price (Free), 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 Cal.com
- Custom booking pages
- Team scheduling
- Collective scheduling
- Routing forms
- Webhooks
- Google Calendar
- Outlook
- Google Meet
Only in Outlook Calendar
- Meeting scheduling
- Shared calendars
- Room booking
- Availability sharing
- Recurring events
- Microsoft Teams
- OneDrive
- SharePoint
Both cover
- Zoom
- 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 Outlook Calendar
- Accept payments via Stripe and PayPalnot Outlook Calendar
- Integrate with Salesforce and HubSpotnot Outlook Calendar
Outlook Calendar
- Schedulingnot Cal.com
- Appointment bookingnot Cal.com
- Time trackingnot Cal.com
- Resource managementnot Cal.com
- Team coordinationnot 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
Outlook Calendar
- Offline support limited to only past 30 days of events, older events unavailable
- Shared calendars and group calendars not available offline
- Cached Exchange Mode issues can limit available offline data
- Occasional sync conflicts when coming back online
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
Outlook Calendar
Free- FreeFree
- Outlook.com email and calendar
- 50MB attachment limit
- 1GB cloud storage
- Microsoft 365 Basic$19.99/year
- Outlook with limited features
- Cloud storage
- Microsoft 365 Personal$99.99/year
- Premium Outlook
- Ad-free email
- 100GB mailbox storage
- Microsoft 365 Business Basic$6/month
- Business-class email
- 1TB cloud storage
- Microsoft Teams
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.
Choose Outlook Calendar if
- You need meeting scheduling.
- You want to start without paying.
- You work on Web, Windows, macOS, iOS, Android.
- You also want shared calendars.
Questions people ask
- Is Cal.com or Outlook Calendar better?
- Neither clearly leads. Cal.com starts at Free and Outlook Calendar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Cal.com or Outlook Calendar?
- Cal.com starts at Free and Outlook Calendar at Free.
- Does Cal.com or Outlook Calendar run on more platforms?
- Cal.com runs on Web, Mobile app, Browser extension. Outlook Calendar runs on Web, Windows, macOS, iOS, Android.
- Can I use Cal.com for free?
- Both have a free tier, so you can try either at no cost before committing.
- 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 Outlook Calendar is typically brought in for.
- What can Cal.com do that Outlook Calendar cannot?
- Cal.com covers Custom booking pages, Team scheduling, Collective scheduling, Routing forms. Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Both handle Zoom, 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.
SourceOutlook Calendar: Is Outlook Calendar free?
Outlook.com with calendar is free via a Microsoft account. Outlook Calendar also comes with Microsoft 365 Personal ($99.99/year), Family ($129.99/year), or Business plans starting at $6/user/month.
SourceCal.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.
SourceOutlook Calendar: Does Outlook Calendar work offline?
Outlook Calendar has limited offline support. New Outlook caches only the past 30 days of calendar items. Shared calendars and group calendars are not supported offline. Changes sync when you reconnect.
SourceCal.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.
SourceOutlook Calendar: What platforms does Outlook Calendar support?
Outlook Calendar is available on Windows (desktop and web), macOS (desktop and web), iOS, and Android. Real-time synchronization works across all devices.
SourceCal.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.
SourceOutlook Calendar: Does Outlook Calendar integrate with Slack?
Yes. Outlook Calendar integrates with Slack to sync your status and receive meeting notifications. You can RSVP to invites directly in Slack and join Microsoft Teams meetings from Slack reminders.
SourceOutlook Calendar: Can you share calendars and set delegate permissions?
Yes. Outlook Calendar supports calendar sharing with delegate permissions, color categories for organization, and the Scheduling Assistant to view attendee availability for meeting times.
SourceRelated pages
More on Outlook Calendar
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