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Telecommunications · head to head

8x8 vs Slack Workflow Builder

8x8 logo

8x8

Telecommunications

Enterprise-grade unified communications

From
$29.99/month
Rated
-
Full reviewWebsite
Slack Workflow Builder logo

Slack Workflow Builder

Remote Work

Automation for team collaboration

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: 8x8 listed on UK G-Cloud 14 at £2.65 to £113.40 per user per month for 8x8 Hosted PBX, submitted directly by 8x8 UK Limited; Slack Workflow Builder limited to Pro and above pricing tiers, requiring paid Slack subscription
  • They diverge on capability: 8x8 covers Voice calling, Slack Workflow Builder covers Workflow builder.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which 8x8 and Slack Workflow Builder actually diverge.

Attributes where 8x8 and Slack Workflow Builder differ
Attribute8x8Slack Workflow Builder
Starting price$29.99/monthOn request
Pricing modelsubscriptionUnknown
PlatformsWeb, Windows, Macos, Ios, AndroidWeb, macOS, Windows, iOS, Android
CategoryTelecommunicationsRemote Work
Founded19872013

Identical on both: free tier (No), 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 8x8

  • Voice calling
  • Video meetings
  • Team messaging
  • Call recording
  • Voicemail
  • Call routing
  • Salesforce
  • Microsoft Teams

Only in Slack Workflow Builder

  • Workflow builder
  • App integrations
  • Scheduled workflows
  • Conditional logic
  • Error handling
  • Notifications
  • 1000+ apps
  • Custom webhooks

Both cover

  • Analytics
  • Cloud deployment
  • Web support

What people use each for

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

8x8

  • Business communicationnot Slack Workflow Builder
  • Customer contactnot Slack Workflow Builder
  • Remote worknot Slack Workflow Builder
  • Continuitynot Slack Workflow Builder

Slack Workflow Builder

  • Workflow Automationnot 8x8
  • Data Integrationnot 8x8
  • Process Automationnot 8x8
  • App Integrationnot 8x8
  • API Connectivitynot 8x8

Where each one falls short

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

8x8

  • Listed on UK G-Cloud 14 at £2.65 to £113.40 per user per month for 8x8 Hosted PBX, submitted directly by 8x8 UK Limited

Slack Workflow Builder

  • Limited to Pro and above pricing tiers, requiring paid Slack subscription
  • Maximum 15 conditional branches per workflow, limiting complex logic paths
  • Connectors must be explicitly configured per integration type
  • No native web interface for non-Slack users

Pricing, plan by plan

8x8

$29.99/month
  • Pro$29.99/month
    • Calling and meetings
    • Video conferencing
    • Team messaging
  • Enterprise$undefined/month
    • Everything in Pro
    • Advanced analytics
    • Dedicated support

Slack Workflow Builder

On request

No published plan breakdown. See the Slack Workflow Builder review.

Which should you pick?

Choose 8x8 if

  • You need voice calling.
  • You work on Web, Windows, Macos, Ios, Android.
  • You also want video meetings.
8x8 review

Choose Slack Workflow Builder if

  • You need workflow builder.
  • You work on Web, macOS, Windows, iOS, Android.
  • You also want app integrations.
Slack Workflow Builder review

Questions people ask

Is 8x8 or Slack Workflow Builder better?
Neither clearly leads. 8x8 starts at $29.99/month and Slack Workflow Builder at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 8x8 or Slack Workflow Builder?
8x8 starts at $29.99/month and Slack Workflow Builder at On request.
Does 8x8 or Slack Workflow Builder run on more platforms?
8x8 runs on Web, Windows, Macos, Ios, Android. Slack Workflow Builder runs on Web, macOS, Windows, iOS, Android.
What is 8x8 best used for?
8x8 is most often used for business communication, customer contact, remote work, continuity. Of those, business communication and customer contact are not what Slack Workflow Builder is typically brought in for.
What can 8x8 do that Slack Workflow Builder cannot?
8x8 covers Voice calling, Video meetings, Team messaging, Call recording. Slack Workflow Builder covers Workflow builder, App integrations, Scheduled workflows, Conditional logic. Both handle Analytics, Cloud deployment, Web support.

Answered from the vendors’ own pages

Slack Workflow Builder: Is Slack Workflow Builder included in all Slack plans?

No, Workflow Builder is only available in Slack Pro, Business+, and Enterprise plans. It is not included in the Free plan.

Source
Slack Workflow Builder: Can Workflow Builder connect to external applications?

Yes, Workflow Builder supports connectors that translate actions in Slack to instant results in third-party tools, allowing workflows to interact with your full application stack.

Source
Slack Workflow Builder: What is the maximum complexity of Slack Workflows?

Workflows support conditional logic with up to 15 conditions, enabling complex decision paths for automation.

Source
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