Softwr

CRM & Sales · head to head

Outreach vs Slack

Outreach logo

Outreach

CRM & Sales

Sales execution platform for revenue teams

From
$100/month
Rated
-
Full reviewWebsite
Slack logo

Slack

All industries

Where work happens

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Slack has a free tier, so it costs nothing to try first.
  • Each has a real cost: Outreach pricing not transparent, requiring custom quotes for most implementations; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: Outreach covers Sales engagement, Slack covers Channels.

Where they differ

Only the attributes on which Outreach and Slack actually diverge.

Attributes where Outreach and Slack differ
AttributeOutreachSlack
Starting price$100/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWebWeb, iOS, Android, macOS, Windows, Linux
CategoryCRM & SalesAll industries
Founded20142009

Identical on both: 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 Outreach

  • Sales engagement
  • Conversation intelligence
  • Revenue intelligence
  • Pipeline management
  • Analytics & reporting
  • Microsoft Dynamics
  • LinkedIn
  • Slack

Only in Slack

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

Both cover

  • Salesforce
  • Zoom

What people use each for

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

Outreach

  • Sales outreachnot Slack
  • Pipeline managementnot Slack
  • Revenue forecastingnot Slack
  • Team performancenot Slack

Slack

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

Where each one falls short

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

Outreach

  • Pricing not transparent, requiring custom quotes for most implementations
  • Complex setup requiring deep Salesforce configuration and customization
  • Primarily designed for enterprise SDR and sales teams, less suitable for small businesses

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

Outreach

$100/month
  • Standard$100/month
    • Email sequencing
    • Task management
    • Basic analytics
  • ProfessionalFree
    • All Standard features
    • Conversation intelligence
    • Advanced analytics
  • EnterpriseFree
    • All Professional features
    • Revenue intelligence
    • Custom integrations

Slack

Free

No published plan breakdown. See the Slack review.

Which should you pick?

Choose Outreach if

  • You need sales engagement.
  • You also want conversation intelligence.
Outreach 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 Outreach or Slack better?
Neither clearly leads. Outreach starts at $100/month and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Outreach or Slack?
Slack has a free tier; the other does not. Paid plans start at $100/month for Outreach and Free for Slack.
Does Outreach or Slack run on more platforms?
Outreach runs on Web. Slack runs on Web, iOS, Android, macOS, Windows, Linux.
Can I use Slack for free?
Yes. Slack has a free tier, so you can try it without paying. Outreach starts at $100/month.
What is Outreach best used for?
Outreach is most often used for sales outreach, pipeline management, revenue forecasting, team performance. Of those, sales outreach and pipeline management are not what Slack is typically brought in for.
What can Outreach do that Slack cannot?
Outreach covers Sales engagement, Conversation intelligence, Revenue intelligence, Pipeline management. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Both handle Salesforce, Zoom.

Answered from the vendors’ own pages

Outreach: What channels does Outreach support for sales engagement?

Outreach enables outreach across email, phone calls, SMS, and social media with multi-channel sequencing and automated cadences.

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
Outreach: Does Outreach integrate with Salesforce?

Yes, Outreach deeply integrates with Salesforce to automatically log emails, calls, and tasks back to CRM records, keeping both platforms synchronized.

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
Outreach: Can Outreach sync with calendar systems?

Yes, Outreach syncs calendar events to Salesforce as Events records, supporting two-way synchronization between Outreach meetings and Salesforce Events.

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
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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Related pages

More on Outreach

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