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Project Management · head to head

LiquidPlanner vs Outlook Calendar

LiquidPlanner logo

LiquidPlanner

Project Management

Predictive project management

From
On request
Rated
-
Full reviewWebsite
Outlook Calendar logo

Outlook Calendar

Calendars

Professional calendar management for Microsoft 365

From
Free
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: LiquidPlanner rebranded to Tempo Portfolio Manager; the pricing page shows no published figures, only an early access sign-up; Outlook Calendar offline support limited to only past 30 days of events, older events unavailable
  • They diverge on capability: LiquidPlanner covers Predictive scheduling, Outlook Calendar covers Meeting scheduling.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where LiquidPlanner and Outlook Calendar differ
AttributeLiquidPlannerOutlook Calendar
Starting priceOn requestFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWebWeb, Windows, macOS, iOS, Android
CategoryProject ManagementCalendars
Founded20061975

Identical on both: 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 LiquidPlanner

  • Predictive scheduling
  • Resource management
  • Time tracking
  • Analytics
  • Workload management
  • Jira
  • Salesforce
  • SOC 2

Only in Outlook Calendar

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

Both cover

  • Slack
  • Web support

What people use each for

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

LiquidPlanner

  • Productivitynot Outlook Calendar
  • Collaborationnot Outlook Calendar
  • Task managementnot Outlook Calendar
  • Organizationnot Outlook Calendar

Outlook Calendar

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

Where each one falls short

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

LiquidPlanner

  • Rebranded to Tempo Portfolio Manager; the pricing page shows no published figures, only an early access sign-up

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

Pricing, plan by plan

LiquidPlanner

On request
  • Essentials$15/month
    • Project management
    • Basic scheduling
  • Professional$25/month
    • Predictive scheduling
    • Resource management
    • Analytics

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

Which should you pick?

Choose LiquidPlanner if

  • You need predictive scheduling.
  • You also want resource management.
LiquidPlanner review

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

Questions people ask

Is LiquidPlanner or Outlook Calendar better?
Neither clearly leads. LiquidPlanner starts at On request and Outlook Calendar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LiquidPlanner or Outlook Calendar?
Outlook Calendar has a free tier; the other does not. Paid plans start at On request for LiquidPlanner and Free for Outlook Calendar.
Does LiquidPlanner or Outlook Calendar run on more platforms?
LiquidPlanner runs on Web. Outlook Calendar runs on Web, Windows, macOS, iOS, Android.
Can I use Outlook Calendar for free?
Yes. Outlook Calendar has a free tier, so you can try it without paying. LiquidPlanner starts at On request.
What is LiquidPlanner best used for?
LiquidPlanner is most often used for productivity, collaboration, task management, organization. Of those, productivity and collaboration are not what Outlook Calendar is typically brought in for.
What can LiquidPlanner do that Outlook Calendar cannot?
LiquidPlanner covers Predictive scheduling, Resource management, Time tracking, Analytics. Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Both handle Slack, Web support.

Answered from the vendors’ own pages

LiquidPlanner: How is Tempo timesheets pricing calculated for my organization?

Pricing is per-user per month and scales based on organization size. For 1-10 users: $1.00/user; 11-100 users: $5.21/user; 101-250 users: $3.66/user; scaling down to $0.25-$0.39/user for organizations with 5,000+ users.

Source
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
LiquidPlanner: What license matching requirement exists for Tempo?

Your Tempo license size must match your Jira license size, with a user defined as anyone who can log into Jira.

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
LiquidPlanner: Is there a free trial for Tempo timesheets?

Yes, Tempo offers a free trial available through the Atlassian Marketplace.

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
LiquidPlanner: What deployment options are available for Tempo?

Both Cloud and Data Center deployment options are offered, with annual billing available.

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
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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