Software · head to head
greytHR vs Outlook Calendar

greytHR
Software
Indian AI-first HRMS and payroll software for full-suite people management
- From
- On request
- Rated
- -

Outlook Calendar
Software
Professional calendar management for Microsoft 365
- From
- Free
- Rated
- -
The short version
- Only Outlook Calendar has a free tier, so it costs nothing to try first.
- Each has a real cost: greytHR published starting price of INR 2,495/month covers only up to 50 employees, so larger companies must move to a higher, unpublished tier; Outlook Calendar offline support limited to only past 30 days of events, older events unavailable
Where they differ
Only the attributes on which greytHR and Outlook Calendar actually diverge.
| Attribute | greytHR | Outlook Calendar |
|---|---|---|
| Starting price | On request | Free |
| Pricing model | subscription | Unknown |
| Free tier | No | Yes |
| Platforms | Web | Web, Windows, macOS, iOS, Android |
| Founded | Unknown | 1975 |
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 greytHR
Nothing recorded that Outlook Calendar does not also cover.
Only in Outlook Calendar
- Meeting scheduling
- Shared calendars
- Room booking
- Availability sharing
- Recurring events
- Microsoft Teams
- OneDrive
- SharePoint
What people use each for
The jobs each tool is most often brought in to do.
greytHR
No use cases recorded yet. See the greytHR review.
Outlook Calendar
- Schedulingnot greytHR
- Appointment bookingnot greytHR
- Time trackingnot greytHR
- Resource managementnot greytHR
- Team coordinationnot greytHR
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
greytHR
- Published starting price of INR 2,495/month covers only up to 50 employees, so larger companies must move to a higher, unpublished tier
- The platform serves 34,000+ companies and its entry tier is scoped by headcount rather than by feature set, meaning growth past 50 employees forces a plan change
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
greytHR
On requestNo published plan breakdown. See the greytHR review.
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 greytHR if
Nothing in the data separates greytHR from Outlook Calendar on the points above - pick on price and on how each one feels to use.
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.
Questions people ask
- Is greytHR or Outlook Calendar better?
- Neither clearly leads. greytHR 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, greytHR or Outlook Calendar?
- Outlook Calendar has a free tier; the other does not. Paid plans start at On request for greytHR and Free for Outlook Calendar.
- Does greytHR or Outlook Calendar run on more platforms?
- greytHR 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. greytHR starts at On request.
- What can greytHR do that Outlook Calendar 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.
SourceOutlook 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.
SourceOutlook 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.
SourceOutlook 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.
SourceOutlook 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.
SourceRelated pages
More on Outlook Calendar
Keep looking
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