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10to8 vs Outlook Calendar

10to8 logo

10to8

Software

Appointment scheduling software

From
Free
Rated
-
Full reviewWebsite
Outlook Calendar logo

Outlook Calendar

Software

Professional calendar management for Microsoft 365

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: 10to8 free plan includes 10to8 branding on booking pages, which may not be ideal for professional service providers wanting white-label solutions; Outlook Calendar offline support limited to only past 30 days of events, older events unavailable
  • They diverge on capability: 10to8 covers Online booking, Outlook Calendar covers Meeting scheduling.

Where they differ

Only the attributes on which 10to8 and Outlook Calendar actually diverge.

Attributes where 10to8 and Outlook Calendar differ
Attribute10to8Outlook Calendar
PlatformsWeb, MobileWeb, Windows, macOS, iOS, Android
Founded20111975

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), 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 10to8

  • Online booking
  • Automated reminders
  • Two-way sync
  • Video appointments
  • Payment collection
  • Google Calendar
  • Outlook
  • Stripe

Only in Outlook Calendar

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

Both cover

  • Zoom
  • Web support
  • Ios support
  • Android support

What people use each for

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

10to8

  • Scheduling
  • Appointment booking
  • Time tracking
  • Resource management
  • Team coordination

Outlook Calendar

  • Scheduling
  • Appointment booking
  • Time tracking
  • Resource management
  • Team coordination

Both are used for scheduling, appointment booking, time tracking, resource management, team coordination, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

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

10to8

  • Free plan includes 10to8 branding on booking pages, which may not be ideal for professional service providers wanting white-label solutions
  • Limited advanced features compared to competitors like Calendly or Acuity Scheduling for complex service workflows
  • Recent rebranding from 10to8 to Sign In Scheduling created user confusion and requires login migration
  • Not suitable for detailed pre-appointment consultations as it focuses on simple appointment booking rather than consultation management
  • Smaller integration ecosystem with 1,500 apps compared to competitors with more extensive third-party support

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

10to8

Free
  • FreeFree
    • Up to 100 appointments per month
    • 2 user logins
    • Automated SMS and email reminders
  • Starter$7.2/month
    • 300 appointments per month
    • 4 staff logins
    • All free plan features
  • Professional$22/month
    • Unlimited appointments
    • Unlimited staff logins
    • All starter features
  • Business$40/month
    • 600+ appointments per month
    • 6 staff seats
    • Multiple booking pages

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 10to8 if

  • You need online booking.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want automated reminders.
10to8 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 10to8 or Outlook Calendar better?
Neither clearly leads. 10to8 starts at Free and Outlook Calendar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 10to8 or Outlook Calendar?
10to8 starts at Free and Outlook Calendar at Free.
Does 10to8 or Outlook Calendar run on more platforms?
10to8 runs on Web, Mobile. Outlook Calendar runs on Web, Windows, macOS, iOS, Android.
Can I use 10to8 for free?
Both have a free tier, so you can try either at no cost before committing.
What is 10to8 best used for?
10to8 is most often used for scheduling, appointment booking, time tracking, resource management.
What can 10to8 do that Outlook Calendar cannot?
10to8 covers Online booking, Automated reminders, Two-way sync, Video appointments. Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Both handle Zoom, Web support, Ios support, Android support.

Answered from the vendors’ own pages

10to8: Does 10to8 offer a free plan?

Yes, 10to8 offers a generous free forever plan that includes up to 100 appointments per month with two user logins and automated SMS reminders to help reduce no-shows.

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
10to8: How does 10to8 help reduce no-shows?

10to8 uses automated SMS, email, and voice reminders to notify customers of upcoming appointments. If SMS delivery fails, the system uses a robo-call with voicemail capability. Users report up to 90% no-show reduction with these reminders.

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
10to8: What payment methods does 10to8 accept?

10to8 integrates with PayPal and Sage Pay for secure online payment processing, allowing customers to pay directly through booking pages and providing instant payment receipts.

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
10to8: What apps does 10to8 integrate with?

10to8 has native integrations with Google Calendar, Outlook, Exchange, Office 365, Zoom, and Salesforce. The platform also connects with over 1,500 apps through third-party integrations and works with Slack and Facebook for reminders.

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
10to8: Can I manage multiple locations with 10to8?

Yes, 10to8 includes multi-location support allowing centralized management of multiple branches, services, and staff members across different sites with single-portal administration.

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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