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Software · head to head

ON24 vs Slack

ON24 logo

ON24

Software

The digital engagement platform

From
$2000/month
Rated
-
Full reviewWebsite
Slack logo

Slack

Software

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: ON24 the Internet Archive's capture of ON24's homepage on 1 January 2021 named five distinct platform tiers, Webcast Elite, Engagement Hub, Target, Intelligence, and Connect, but pointed visitors to a 'Find your pricing fit' quiz rather than publishing figures.; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: ON24 covers Live webinars, Slack covers Channels.

Where they differ

Only the attributes on which ON24 and Slack actually diverge.

Attributes where ON24 and Slack differ
AttributeON24Slack
Starting price$2000/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Ios, AndroidWeb, iOS, Android, macOS, Windows, Linux
Founded19982009

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

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 ON24

  • Live webinars
  • Virtual events
  • Engagement hub
  • AI-powered analytics
  • Content hubs
  • Marketo
  • Eloqua
  • HubSpot

Only in Slack

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

Both cover

  • Salesforce

What people use each for

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

ON24

  • Event planningnot Slack
  • Ticket salesnot Slack
  • Attendee managementnot Slack
  • Virtual eventsnot Slack
  • Event marketingnot Slack

Slack

  • Team communicationnot ON24
  • Project coordinationnot ON24
  • Customer supportnot ON24
  • Remote worknot ON24
  • Cross-functional collaborationnot ON24

Where each one falls short

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

ON24

  • The Internet Archive's capture of ON24's homepage on 1 January 2021 named five distinct platform tiers, Webcast Elite, Engagement Hub, Target, Intelligence, and Connect, but pointed visitors to a 'Find your pricing fit' quiz rather than publishing figures.

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

ON24

$2000/month
  • Core$2000/month
    • Webinars
    • Engagement tools
    • Basic analytics
  • Professional$4000/month
    • Virtual events
    • Advanced analytics
    • Integrations
  • Enterprise$8000/month
    • Full platform
    • AI insights
    • Dedicated success manager

Slack

Free

No published plan breakdown. See the Slack review.

Which should you pick?

Choose ON24 if

  • You need live webinars.
  • You work on Web, Ios, Android.
  • You also want virtual events.
ON24 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 ON24 or Slack better?
Neither clearly leads. ON24 starts at $2000/month and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ON24 or Slack?
Slack has a free tier; the other does not. Paid plans start at $2000/month for ON24 and Free for Slack.
Does ON24 or Slack run on more platforms?
ON24 runs on Web, Ios, Android. 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. ON24 starts at $2000/month.
What is ON24 best used for?
ON24 is most often used for event planning, ticket sales, attendee management, virtual events. Of those, event planning and ticket sales are not what Slack is typically brought in for.
What can ON24 do that Slack cannot?
ON24 covers Live webinars, Virtual events, Engagement hub, AI-powered analytics. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Both handle Salesforce.

Answered from the vendors’ own pages

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
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
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 ON24

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