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Remote Work · head to head

HubSpot CRM vs Slack Workflow Builder

HubSpot CRM logo

HubSpot CRM

Remote Work

Free CRM for sales and marketing

From
Free
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

  • Only HubSpot CRM has a free tier, so it costs nothing to try first.
  • Each has a real cost: HubSpot CRM starter plan discount for new customers only, subject to discontinuation at any time without notice; Slack Workflow Builder limited to Pro and above pricing tiers, requiring paid Slack subscription
  • They diverge on capability: HubSpot CRM covers Contact management, 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 HubSpot CRM and Slack Workflow Builder actually diverge.

Attributes where HubSpot CRM and Slack Workflow Builder differ
AttributeHubSpot CRMSlack Workflow Builder
Starting priceFreeOn request
Pricing modelsubscriptionUnknown
Free tierYesNo
PlatformsWeb, Mobile iOS, Mobile AndroidWeb, macOS, Windows, iOS, Android
Founded20062013

Identical on both: user rating (Not yet rated), category (Remote Work).

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 HubSpot CRM

  • Contact management
  • Deal tracking
  • Email
  • Reporting
  • Automation
  • Slack
  • GitHub
  • Salesforce

Only in Slack Workflow Builder

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

Both cover

  • Web support

What people use each for

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

HubSpot CRM

  • Contact and deal management for sales teamsnot Slack Workflow Builder
  • Customer data organization and reportingnot Slack Workflow Builder
  • Team collaboration with permission controlsnot Slack Workflow Builder

Slack Workflow Builder

  • Workflow Automationnot HubSpot CRM
  • Data Integrationnot HubSpot CRM
  • Process Automationnot HubSpot CRM
  • App Integrationnot HubSpot CRM
  • API Connectivitynot HubSpot CRM

Where each one falls short

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

HubSpot CRM

  • Starter plan discount for new customers only, subject to discontinuation at any time without notice
  • Free plan limited to 2 users and 1,000 contacts, requiring upgrade for larger teams
  • Per-seat pricing model on all paid tiers, making team expansion costly

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

HubSpot CRM

Free
  • Free CRMFree
    • Up to 2 users
    • 1,000 contacts
    • Unlimited customer data
  • Starter$15/month
    • Required fields
    • Permission sets
    • Multiple currencies
  • Professional$50/month
    • AI customer agent
    • Duplicate management
    • Standard contact scoring
  • Enterprise$75/month
    • Custom objects
    • Organize teams
    • Single sign-on

Slack Workflow Builder

On request

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

Which should you pick?

Choose HubSpot CRM if

  • You need contact management.
  • You want to start without paying.
  • You work on Web, Mobile iOS, Mobile Android.
  • You also want deal tracking.
HubSpot CRM 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 HubSpot CRM or Slack Workflow Builder better?
Neither clearly leads. HubSpot CRM starts at Free 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, HubSpot CRM or Slack Workflow Builder?
HubSpot CRM has a free tier; the other does not. Paid plans start at Free for HubSpot CRM and On request for Slack Workflow Builder.
Does HubSpot CRM or Slack Workflow Builder run on more platforms?
HubSpot CRM runs on Web, Mobile iOS, Mobile Android. Slack Workflow Builder runs on Web, macOS, Windows, iOS, Android.
Can I use HubSpot CRM for free?
Yes. HubSpot CRM has a free tier, so you can try it without paying. Slack Workflow Builder starts at On request.
What is HubSpot CRM best used for?
HubSpot CRM is most often used for contact and deal management for sales teams, customer data organization and reporting, team collaboration with permission controls. Of those, contact and deal management for sales teams and customer data organization and reporting are not what Slack Workflow Builder is typically brought in for.
What can HubSpot CRM do that Slack Workflow Builder cannot?
HubSpot CRM covers Contact management, Deal tracking, Email, Reporting. Slack Workflow Builder covers Workflow builder, App integrations, Scheduled workflows, Conditional logic. Both handle Web support.

Answered from the vendors’ own pages

HubSpot CRM: What is the cost of HubSpot CRM for different company sizes?

Free CRM for up to 2 users at $0/month. Starter at $15/month per seat (new customers only), Professional at $50/month per seat, Enterprise at $75/month per seat.

Source
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
HubSpot CRM: What are the user and contact limits on the free HubSpot CRM plan?

Free plan supports up to 2 users, 1,000 contacts, and unlimited customer data with no expiration date or credit card required.

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
HubSpot CRM: Can data migrate from free to paid HubSpot CRM plans without loss?

Users can upgrade from free to premium tiers without data migration required, meaning all contacts and information transfer to the new plan.

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
HubSpot CRM: Is there a discount for HubSpot CRM new customer pricing?

Starter plan offers a new customer discount with no set end date, but HubSpot reserves the right to discontinue this offer at any time.

Source
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