Softwr

Scheduling & Booking · head to head

10to8 vs Slack

10to8 logo

10to8

Scheduling & Booking

Appointment scheduling software

From
Free
Rated
-
Full reviewWebsite
Slack logo

Slack

All industries

Where work happens

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; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: 10to8 covers Online booking, Slack covers Channels.

Where they differ

Only the attributes on which 10to8 and Slack actually diverge.

Attributes where 10to8 and Slack differ
Attribute10to8Slack
PlatformsWeb, MobileWeb, iOS, Android, macOS, Windows, Linux
CategoryScheduling & BookingAll industries
Founded20112009

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

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

Only in Slack

  • Channels
  • Direct messaging
  • Voice & video calls
  • Screen sharing
  • File sharing
  • Search
  • Workflow builder
  • Slack Connect

Both cover

  • Zoom

What people use each for

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

10to8

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

Slack

  • Team communicationnot 10to8
  • Project coordinationnot 10to8
  • Customer supportnot 10to8
  • Remote worknot 10to8
  • Cross-functional collaborationnot 10to8

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

Slack

  • 90-day message history limit on free plan results in important conversations disappearing
  • Per-user pricing becomes expensive quickly for larger teams
  • Notification overload with 78% of employees feeling overwhelmed by notifications
  • Mobile app performance issues including lag and slow syncing
  • Huddles limited to 50 people and cannot be recorded
  • Requires dedicated video conferencing service for formal meetings and webinars

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

Slack

Free

No published plan breakdown. See the Slack review.

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 Slack if

  • You need channels.
  • You want to start without paying.
  • You work on Web, iOS, Android, macOS, Windows, Linux.
  • You also want direct messaging.
Slack review

Questions people ask

Is 10to8 or Slack better?
Neither clearly leads. 10to8 starts at Free and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 10to8 or Slack?
10to8 starts at Free and Slack at Free.
Does 10to8 or Slack run on more platforms?
10to8 runs on Web, Mobile. Slack runs on Web, iOS, Android, macOS, Windows, Linux.
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. Of those, scheduling and appointment booking are not what Slack is typically brought in for.
What can 10to8 do that Slack cannot?
10to8 covers Online booking, Automated reminders, Two-way sync, Video appointments. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Both handle Zoom.

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
Slack: Does Slack have a free plan?

Yes, Slack offers a free plan indefinitely with no credit card required. Free users get 90-day message history, up to 10 app integrations, and 1:1 huddles.

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
Slack: What are Slack's pricing plans?

Slack offers Free, Pro ($7.25/user/month with annual billing), Business+ ($12.50/user/month), and Enterprise Grid (custom pricing). Monthly billing costs approximately 20% more than annual.

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
Slack: Does Slack support offline use?

Slack is a cloud-based platform and does not support robust offline work. Internet connectivity is required to access messages and collaborate.

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
Slack: What integrations does Slack support?

Slack integrates with 43+ apps on average per team, including Google Drive, ChatGPT, Vercel, Asana, GitHub, and many others through their app marketplace.

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
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