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Calendars · head to head

Outlook Calendar vs TidyCal

Outlook Calendar logo

Outlook Calendar

Calendars

Professional calendar management for Microsoft 365

From
Free
Rated
-
Full reviewWebsite
TidyCal logo

TidyCal

Calendars

Simple calendar management and booking

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Outlook Calendar offline support limited to only past 30 days of events, older events unavailable; TidyCal lifetime plans regularly priced higher ($144 individual, $240 agency) but offered at discount on AppSumo
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Outlook Calendar and TidyCal differ
AttributeOutlook CalendarTidyCal
Pricing modelUnknownfreemium
PlatformsWeb, Windows, macOS, iOS, AndroidWeb
Founded1975Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Calendars).

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 TidyCal

Nothing recorded that Outlook Calendar does not also cover.

What people use each for

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

Outlook Calendar

  • Schedulingnot TidyCal
  • Appointment bookingnot TidyCal
  • Time trackingnot TidyCal
  • Resource managementnot TidyCal
  • Team coordinationnot TidyCal

TidyCal

  • Appointment scheduling and booking for solopreneursnot Outlook Calendar
  • Team booking management with round robin functionalitynot Outlook Calendar
  • Scheduling across multiple calendar integrationsnot Outlook Calendar

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

TidyCal

  • Lifetime plans regularly priced higher ($144 individual, $240 agency) but offered at discount on AppSumo
  • Calendar connection limit of 1 on free plan may be limiting for multi-calendar users

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

TidyCal

Free
  • FreeFree
    • Unlimited bookings
    • Unlimited booking types
    • Paid bookings
  • Individual Lifetime$29/one-time
    • Auto-created meeting links
    • Group bookings
    • AI assistant
  • Agency Lifetime$79/one-time
    • Round robin and collective meetings
    • Dedicated team page
    • SMS reminders (US/Canada)
  • Pro Monthly$12/month
    • No branding
    • Custom domain
    • Priority 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 TidyCal if

  • You want to start without paying.
TidyCal review

Questions people ask

Is Outlook Calendar or TidyCal better?
Neither clearly leads. Outlook Calendar starts at Free and TidyCal at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Outlook Calendar or TidyCal?
Outlook Calendar starts at Free and TidyCal at Free.
Does Outlook Calendar or TidyCal run on more platforms?
Outlook Calendar runs on Web, Windows, macOS, iOS, Android. TidyCal runs on Web.
Can I use Outlook Calendar for free?
Both have a free tier, so you can try either at no cost before committing.
What is Outlook Calendar best used for?
Outlook Calendar is most often used for scheduling, appointment booking, time tracking, resource management. Of those, scheduling and appointment booking are not what TidyCal is typically brought in for.
What can Outlook Calendar do that TidyCal cannot?
Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing.

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
TidyCal: Does TidyCal have a free plan?

Yes, TidyCal offers a permanently free plan with unlimited bookings, all booking types, and basic features. Free users get 1 calendar connection.

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
TidyCal: What is the difference between lifetime and subscription plans?

Lifetime plans ($29-$79 one-time) are purchased once via AppSumo and offer permanent access. The monthly subscription plan costs $12/month or $99/year (annual) and renews continuously.

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
TidyCal: Does TidyCal charge per user or per booking?

TidyCal does not charge per user or per booking. Pricing is based on plan selection, not usage volume. All plans include unlimited bookings.

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
TidyCal: What calendar integrations are included in each plan?

The free plan includes 1 calendar connection. Individual and Pro plans include up to 10 connections. Agency and Pro plans include up to 25 calendar connections.

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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