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Remote Work · head to head

HubSpot CRM vs Slack

HubSpot CRM logo

HubSpot CRM

Remote Work

Free CRM for sales and marketing

From
Free
Rated
-
Full reviewWebsite
Slack logo

Slack

Communication

Where work happens

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: HubSpot CRM starter plan discount for new customers only, subject to discontinuation at any time without notice; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: HubSpot CRM covers Contact management, Slack covers Channels.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which HubSpot CRM and Slack actually diverge.

Attributes where HubSpot CRM and Slack differ
AttributeHubSpot CRMSlack
Pricing modelsubscriptionUnknown
PlatformsWeb, Mobile iOS, Mobile AndroidWeb, iOS, Android, macOS, Windows, Linux
CategoryRemote WorkCommunication
Founded20062009

Identical on both: starting price (Free), 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 HubSpot CRM

  • Contact management
  • Deal tracking
  • Email
  • Reporting
  • Automation
  • Slack
  • Zapier
  • Google Workspace

Only in Slack

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

Both cover

  • GitHub
  • Salesforce

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
  • Customer data organization and reportingnot Slack
  • Team collaboration with permission controlsnot Slack

Slack

  • Team communicationnot HubSpot CRM
  • Project coordinationnot HubSpot CRM
  • Customer supportnot HubSpot CRM
  • Remote worknot HubSpot CRM
  • Cross-functional collaborationnot 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

  • 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

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

Free

No published plan breakdown. See the Slack 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 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 HubSpot CRM or Slack better?
Neither clearly leads. HubSpot CRM 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, HubSpot CRM or Slack?
HubSpot CRM starts at Free and Slack at Free.
Does HubSpot CRM or Slack run on more platforms?
HubSpot CRM runs on Web, Mobile iOS, Mobile Android. Slack runs on Web, iOS, Android, macOS, Windows, Linux.
Can I use HubSpot CRM for free?
Both have a free tier, so you can try either at no cost before committing.
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 is typically brought in for.
What can HubSpot CRM do that Slack cannot?
HubSpot CRM covers Contact management, Deal tracking, Email, Reporting. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Both handle GitHub, Salesforce.

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: 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
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: 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
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: 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
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
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
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