Software · head to head
Apple Calendar vs Microsoft To Do
Apple Calendar
Software
The calendar app built into every Apple device
- From
- Free
- Rated
- -
The short version
- They diverge on capability: Apple Calendar covers Event management, Microsoft To Do covers My Day suggestions.
Where they differ
Only the attributes on which Apple Calendar and Microsoft To Do actually diverge.
| Attribute | Apple Calendar | Microsoft To Do |
|---|---|---|
| Pricing model | Unknown | free |
| Platforms | iOS, macOS | Web, Ios, Android, Windows, Macos |
| Founded | 1976 | 1975 |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
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 Apple Calendar
- Event management
- Multiple calendar support
- Travel time estimates
- Natural language input
- Siri integration
- iCloud
- Google Calendar
- Microsoft Exchange
Only in Microsoft To Do
- My Day suggestions
- List sharing
- Steps
- Due dates
- Reminders
- Outlook
- Microsoft 365
- Microsoft Teams
Both cover
- Macos support
- Ios support
What people use each for
The jobs each tool is most often brought in to do.
Apple Calendar
- Scheduling
- Appointment booking
- Time tracking
- Resource management
- Team coordination
Microsoft To Do
- Scheduling
- Appointment booking
- Time tracking
- Resource management
- Team coordination
Both are used for scheduling, appointment booking, time tracking, resource management, team coordination, on those jobs the choice comes down to price and fit rather than capability.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Apple Calendar
- Offline sync via USB has reported issues with duplicated events when syncing between macOS and iOS
- No granular calendar exclusion option; iCloud syncs all calendars together with no selective sync
- Limited offline functionality for non-iCloud calendars
Microsoft To Do
Nothing recorded yet. See the Microsoft To Do review.
Pricing, plan by plan
Apple Calendar
FreeNo published plan breakdown. See the Apple Calendar review.
Microsoft To Do
Free- FreeFree
- Unlimited tasks
- My Day
- List sharing
Which should you pick?
Choose Apple Calendar if
- You need event management.
- You want to start without paying.
- You work on iOS, macOS.
- You also want multiple calendar support.
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 Apple Calendar or Microsoft To Do better?
- Neither clearly leads. Apple Calendar 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, Apple Calendar or Microsoft To Do?
- Apple Calendar starts at Free and Microsoft To Do at Free.
- Does Apple Calendar or Microsoft To Do run on more platforms?
- Apple Calendar runs on iOS, macOS. Microsoft To Do runs on Web, Ios, Android, Windows, Macos.
- Can I use Apple Calendar for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Apple Calendar best used for?
- Apple Calendar is most often used for scheduling, appointment booking, time tracking, resource management.
- What can Apple Calendar do that Microsoft To Do cannot?
- Apple Calendar covers Event management, Multiple calendar support, Travel time estimates, Natural language input. Microsoft To Do covers My Day suggestions, List sharing, Steps, Due dates. Both handle Macos support, Ios support.
Answered from the vendors’ own pages
Apple Calendar: Does Apple Calendar cost anything?
No. Apple Calendar is completely free and comes pre-installed on all Apple devices with no subscriptions or paid tiers.
SourceApple Calendar: Does Apple Calendar work offline?
Apple Calendar can display cached events offline but cannot create or edit events without an internet connection. Sync requires iCloud or another calendar service.
SourceApple Calendar: What calendar services can I sync with Apple Calendar?
Apple Calendar can sync with Google Calendar, Outlook, Microsoft Exchange, iCloud, and Notion calendars, consolidating all events in one place.
SourceApple Calendar: Does Apple Calendar include artificial intelligence features?
Yes. iOS 26 introduced Apple Intelligence features in Calendar including intelligent event suggestions by analyzing email and messages, and conflict detection with alternative time suggestions.
SourceApple Calendar: How does Apple Calendar integrate with other Apple services?
Apple Calendar integrates with Apple Maps for travel time alerts, Reminders for task management, Siri for voice control, and Contacts for attendee information.
SourceRelated pages
More on Apple Calendar
More on Microsoft To Do
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