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Software · head to head

15Five vs Outlook Calendar

15Five logo

15Five

Software

Performance management that drives results

From
$4/month
Rated
-
Full reviewWebsite
Outlook Calendar logo

Outlook Calendar

Software

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: 15Five split across three tiers, so performance reviews, OKRs and 360 feedback need Perform at $11 per user per month rather than the $4 Engage tier; Outlook Calendar offline support limited to only past 30 days of events, older events unavailable
  • They diverge on capability: 15Five covers Weekly check-ins, Outlook Calendar covers Meeting scheduling.

Where they differ

Only the attributes on which 15Five and Outlook Calendar actually diverge.

Attributes where 15Five and Outlook Calendar differ
Attribute15FiveOutlook Calendar
Starting price$4/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Ios, Android, ApiWeb, Windows, macOS, iOS, Android
Founded20111975

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 15Five

  • Weekly check-ins
  • 1-on-1 meetings
  • OKRs & goal tracking
  • Performance reviews
  • High fives recognition
  • Engagement surveys
  • Pulse surveys
  • Manager effectiveness

Only in Outlook Calendar

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

Both cover

  • Slack
  • Microsoft Teams

What people use each for

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

15Five

  • Running engagement surveys with heat maps and benchmarkingnot Outlook Calendar
  • Performance reviews and continuous feedback cyclesnot Outlook Calendar
  • Setting and tracking OKRsnot Outlook Calendar
  • 360 degree feedback and talent matrix reviewsnot Outlook Calendar
  • Compensation review cycles as a paid add-onnot Outlook Calendar

Outlook Calendar

  • Schedulingnot 15Five
  • Appointment bookingnot 15Five
  • Time trackingnot 15Five
  • Resource managementnot 15Five
  • Team coordinationnot 15Five

Where each one falls short

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

15Five

  • Split across three tiers, so performance reviews, OKRs and 360 feedback need Perform at $11 per user per month rather than the $4 Engage tier
  • Manager training microlearnings are only in Total Platform at $16 per user per month
  • Compensation is a paid add-on at $9 per user per month, rising to $11 with benchmarking
  • The Kona meeting assistant is a further $2 per employee per month and Kona Coach $19 per manager per month
  • Advertised prices are the annual rates

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

15Five

$4/month
  • Engage$4/month
    • Engagement surveys
    • Pulse surveys
    • Action planning
  • Perform$10/month
    • Weekly check-ins
    • 1-on-1s
    • Performance reviews
  • Total Platform$16/month
    • Everything in Engage & Perform
    • Career paths
    • Competencies

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 15Five if

  • You need weekly check-ins.
  • You work on Web, Ios, Android, Api.
  • You also want 1-on-1 meetings.
15Five 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 15Five or Outlook Calendar better?
Neither clearly leads. 15Five starts at $4/month and Outlook Calendar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 15Five or Outlook Calendar?
Outlook Calendar has a free tier; the other does not. Paid plans start at $4/month for 15Five and Free for Outlook Calendar.
Does 15Five or Outlook Calendar run on more platforms?
15Five runs on Web, Ios, Android, Api. 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. 15Five starts at $4/month.
What is 15Five best used for?
15Five is most often used for running engagement surveys with heat maps and benchmarking, performance reviews and continuous feedback cycles, setting and tracking okrs, 360 degree feedback and talent matrix reviews. Of those, running engagement surveys with heat maps and benchmarking and performance reviews and continuous feedback cycles are not what Outlook Calendar is typically brought in for.
What can 15Five do that Outlook Calendar cannot?
15Five covers Weekly check-ins, 1-on-1 meetings, OKRs & goal tracking, Performance reviews. Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Both handle Slack, Microsoft Teams.

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
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
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
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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