Scheduling · head to head
Cal.com vs Microsoft To Do
The short version
- They diverge on capability: Cal.com covers Custom booking pages, Microsoft To Do covers My Day suggestions.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Cal.com and Microsoft To Do actually diverge.
| Attribute | Cal.com | Microsoft To Do |
|---|---|---|
| Pricing model | freemium | free |
| Platforms | Web, Mobile app, Browser extension | Web, Ios, Android, Windows, Macos |
| 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
- Zoom
- Google Meet
Only in Microsoft To Do
- My Day suggestions
- List sharing
- Steps
- Due dates
- Reminders
- Microsoft 365
- Microsoft Teams
- Cortana
Both cover
- Outlook
- 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 Microsoft To Do
- Accept payments via Stripe and PayPalnot Microsoft To Do
- Integrate with Salesforce and HubSpotnot Microsoft To Do
Microsoft To Do
- 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
Microsoft To Do
Nothing recorded yet. See the Microsoft To Do review.
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
Microsoft To Do
Free- FreeFree
- Unlimited tasks
- My Day
- List sharing
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 Microsoft To Do if
- You need my day suggestions.
- You want to start without paying.
- You work on Web, Ios, Android, Windows, Macos.
- You also want list sharing.
Questions people ask
- Is Cal.com or Microsoft To Do better?
- Neither clearly leads. Cal.com starts at Free and Microsoft To Do at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Cal.com or Microsoft To Do?
- Cal.com starts at Free and Microsoft To Do at Free.
- Does Cal.com or Microsoft To Do run on more platforms?
- Cal.com runs on Web, Mobile app, Browser extension. Microsoft To Do runs on Web, Ios, Android, Windows, Macos.
- 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 Microsoft To Do is typically brought in for.
- What can Cal.com do that Microsoft To Do cannot?
- Cal.com covers Custom booking pages, Team scheduling, Collective scheduling, Routing forms. Microsoft To Do covers My Day suggestions, List sharing, Steps, Due dates. Both handle Outlook, 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.
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.
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.
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.
SourceRelated pages
More on Microsoft To Do
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