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Google Calendar vs OmniFocus 3

Google Calendar logo

Google Calendar

Software

Smart scheduling for the modern workforce

From
Free
Rated
-
Full reviewWebsite
OmniFocus 3 logo

OmniFocus 3

Software

Professional task management for complex workflows

From
$39.99/year
Rated
-
Full reviewWebsite

The short version

  • Only Google Calendar has a free tier, so it costs nothing to try first.
  • Each has a real cost: Google Calendar no AI-driven scheduling assistance or automatic meeting time optimization; OmniFocus 3 apple platforms only apart from the web client: macOS 14, iOS or iPadOS 17, watchOS 10 or visionOS 2 and newer are required, with no Windows or Android app
  • They diverge on capability: Google Calendar covers Event scheduling, OmniFocus 3 covers GTD-based task organization.

Where they differ

Only the attributes on which Google Calendar and OmniFocus 3 actually diverge.

Attributes where Google Calendar and OmniFocus 3 differ
AttributeGoogle CalendarOmniFocus 3
Starting priceFree$39.99/year
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWeb, iOS, Android, macOS, WindowsMacOS, IOS, IPadOS, Web
Founded19981993

Identical on both: 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 Google Calendar

  • Event scheduling
  • Multiple calendars
  • Reminders and notifications
  • Event sharing
  • Video conferencing integration
  • Gmail
  • Google Meet
  • Google Tasks

Only in OmniFocus 3

  • GTD-based task organization
  • Projects and subprojects
  • Contexts and tags
  • Custom perspectives
  • Automation
  • Quick entry
  • Sync across devices
  • Deferred and due dates

What people use each for

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

Google Calendar

  • Schedulingnot OmniFocus 3
  • Appointment bookingnot OmniFocus 3
  • Time trackingnot OmniFocus 3
  • Resource managementnot OmniFocus 3
  • Team coordinationnot OmniFocus 3

OmniFocus 3

  • Getting Things Done style task and project management on Apple devicesnot Google Calendar
  • Capturing tasks with contexts, defer dates and review cyclesnot Google Calendar
  • Syncing a personal task database across Mac, iPhone, iPad and Watchnot Google Calendar

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Google Calendar

  • No AI-driven scheduling assistance or automatic meeting time optimization
  • Lacks built-in appointment booking pages or payment integrations for scheduling
  • Limited mobile support for shared calendars and unreliable push notifications on phones
  • No native task management or project tracking features within the calendar interface
  • Limited offline functionality on the web (read-only mode only)
  • Strict usage limits (maximum 60 calendars, 750 shares per time period)

OmniFocus 3

  • Apple platforms only apart from the web client: macOS 14, iOS or iPadOS 17, watchOS 10 or visionOS 2 and newer are required, with no Windows or Android app
  • Web access is not included with a perpetual licence and costs an extra $4.99 per month or $49.99 per year
  • The Pro perpetual licence costs $149.99 against $74.99 for Standard
  • Future major upgrades are a paid discount rather than free for perpetual licence holders
  • The $99.99 per year subscription is the only option that bundles Pro plus web access

Pricing, plan by plan

Google Calendar

Free
  • PersonalFree
    • Event scheduling
    • Sharing
    • Notifications
  • Google Workspace Business Starter$7/month
    • All personal features
    • Team collaboration
    • 30GB storage

OmniFocus 3

$39.99/year
  • Standard$39.99/year
    • Mac and iOS apps
    • Cloud sync
    • Core features
  • Pro$99.99/year
    • Everything in Standard
    • Advanced automation
    • Perspective management

Which should you pick?

Choose Google Calendar if

  • You need event scheduling.
  • You want to start without paying.
  • You work on Web, iOS, Android, macOS, Windows.
  • You also want multiple calendars.
Google Calendar review

Choose OmniFocus 3 if

  • You need gtd-based task organization.
  • You work on MacOS, IOS, IPadOS, Web.
  • You also want projects and subprojects.
OmniFocus 3 review

Questions people ask

Is Google Calendar or OmniFocus 3 better?
Neither clearly leads. Google Calendar starts at Free and OmniFocus 3 at $39.99/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Google Calendar or OmniFocus 3?
Google Calendar has a free tier; the other does not. Paid plans start at Free for Google Calendar and $39.99/year for OmniFocus 3.
Does Google Calendar or OmniFocus 3 run on more platforms?
Google Calendar runs on Web, iOS, Android, macOS, Windows. OmniFocus 3 runs on MacOS, IOS, IPadOS, Web.
Can I use Google Calendar for free?
Yes. Google Calendar has a free tier, so you can try it without paying. OmniFocus 3 starts at $39.99/year.
What is Google Calendar best used for?
Google Calendar is most often used for scheduling, appointment booking, time tracking, resource management. Of those, scheduling and appointment booking are not what OmniFocus 3 is typically brought in for.
What can Google Calendar do that OmniFocus 3 cannot?
Google Calendar covers Event scheduling, Multiple calendars, Reminders and notifications, Event sharing. OmniFocus 3 covers GTD-based task organization, Projects and subprojects, Contexts and tags, Custom perspectives.

Answered from the vendors’ own pages

Google Calendar: Can I use Google Calendar offline?

Yes. On the web, Google Calendar works in read-only mode offline for cached events. On iOS and Android, the Google Calendar app automatically caches recent events and lets you create, edit, and respond to events offline. Changes sync automatically when you reconnect to the internet.

Source
Google Calendar: Can I export my calendar data?

Yes. Google Calendar exports as ICS files through Settings > Import & export > Export. ICS files are readable by Outlook, Apple Calendar, Thunderbird, and most other calendar applications.

Source
Google Calendar: Does Google Calendar integrate with video conferencing?

Yes. Google Calendar integrates natively with Google Meet and Zoom. When you create an event, you can add a video conference link directly. Other platforms like Webex and GoTo Meeting can be integrated via Zapier or third-party automation.

Source
Google Calendar: Can I share my calendar with teams?

Yes. You can share individual calendars with specific people or make them publicly viewable. However, accessing shared calendars on mobile devices has limitations, and push notifications for shared calendars may not work reliably on phones.

Source
Google Calendar: Does Google Calendar work with Outlook?

No direct integration. You can manually import/export using ICS files or use third-party tools like Zapier to sync events. This is different from Outlook, which integrates seamlessly within Microsoft 365.

Source
Google Calendar: Is there a cost to use Google Calendar?

Google Calendar is free for personal use. Google Workspace plans (which include Calendar) start at $7 per user per month for business use.

Source
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Related pages

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