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Outlook Calendar vs Sunsama

Outlook Calendar logo

Outlook Calendar

Software

Professional calendar management for Microsoft 365

From
Free
Rated
-
Full reviewWebsite
Sunsama logo

Sunsama

Software

The daily planner for busy professionals

From
$17/month
Rated
-
Full reviewWebsite

The short version

  • Only Outlook Calendar has a free tier, so it costs nothing to try first.
  • Each has a real cost: Outlook Calendar offline support limited to only past 30 days of events, older events unavailable; Sunsama pricing is higher than some competitor daily planners at $17+ per month
  • They diverge on capability: Outlook Calendar covers Meeting scheduling, Sunsama covers Daily planning ritual.

Where they differ

Only the attributes on which Outlook Calendar and Sunsama actually diverge.

Attributes where Outlook Calendar and Sunsama differ
AttributeOutlook CalendarSunsama
Starting priceFree$17/month
Free tierYesNo
PlatformsWeb, Windows, macOS, iOS, AndroidWeb, iOS, Android
Founded19752016

Identical on both: pricing model (Unknown), 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 Outlook Calendar

  • Meeting scheduling
  • Shared calendars
  • Room booking
  • Availability sharing
  • Recurring events
  • Microsoft Teams
  • OneDrive
  • SharePoint

Only in Sunsama

  • Daily planning ritual
  • Task timeboxing
  • Workload management
  • Shutdown routine
  • Focus mode
  • Google Calendar
  • Outlook
  • Todoist

Both cover

  • Slack
  • Web support
  • Windows support
  • Macos support

What people use each for

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

Outlook Calendar

  • Scheduling
  • Appointment booking
  • Time tracking
  • Resource management
  • Team coordination

Sunsama

  • 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.

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

Sunsama

  • Pricing is higher than some competitor daily planners at $17+ per month
  • Requires consistent daily engagement with the planning ritual to be effective
  • Limited customization of the daily planning framework compared to more flexible task managers

Pricing, plan by plan

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

Sunsama

$17/month
  • Pro Plan (Annual)$17/month
    • Unlimited usage
    • Unlimited integrations
    • AI + MCP + Zapier support
  • Pro Plan (Monthly)$22/month
    • Unlimited usage
    • Unlimited integrations
    • AI + MCP + Zapier support

Which should you pick?

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.
Outlook Calendar review

Choose Sunsama if

  • You need daily planning ritual.
  • You work on Web, iOS, Android.
  • You also want task timeboxing.
Sunsama review

Questions people ask

Is Outlook Calendar or Sunsama better?
Neither clearly leads. Outlook Calendar starts at Free and Sunsama at $17/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Outlook Calendar or Sunsama?
Outlook Calendar has a free tier; the other does not. Paid plans start at Free for Outlook Calendar and $17/month for Sunsama.
Does Outlook Calendar or Sunsama run on more platforms?
Outlook Calendar runs on Web, Windows, macOS, iOS, Android. Sunsama runs on Web, iOS, Android.
Can I use Outlook Calendar for free?
Yes. Outlook Calendar has a free tier, so you can try it without paying. Sunsama starts at $17/month.
What is Outlook Calendar best used for?
Outlook Calendar is most often used for scheduling, appointment booking, time tracking, resource management.
What can Outlook Calendar do that Sunsama cannot?
Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Sunsama covers Daily planning ritual, Task timeboxing, Workload management, Shutdown routine. Both handle Slack, Web support, Windows support, Macos support.

Answered from the vendors’ own pages

Outlook 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.

Source
Sunsama: What is the pricing for Sunsama and is there a free trial?

Sunsama costs $17 per month when billed yearly or $22 per month when billed monthly. A 14-day free trial is available without requiring a credit card.

Source
Outlook 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.

Source
Sunsama: What task management tools does Sunsama integrate with?

Sunsama integrates with Asana, Todoist, Trello, Jira, Linear, Monday.com, Notion, ClickUp, GitHub, and Google Tasks, allowing you to pull tasks from these services into your daily plan.

Source
Outlook 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.

Source
Sunsama: Can Sunsama sync with my calendar?

Yes, Sunsama is bidirectionally synced with Google Calendar, Outlook Calendar, and iCloud Calendar, creating a unified view of your schedule and daily commitments.

Source
Outlook 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.

Source
Sunsama: Does Sunsama have a mobile app?

Yes, Sunsama is available as a mobile app on both iOS and Android through the Google Play Store and Apple App Store for managing your daily plan on the go.

Source
Outlook 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.

Source
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Related pages

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