Softwr

All industries · head to head

Slack vs When2meet

Slack logo

Slack

All industries

Where work happens

From
Free
Rated
-
Full reviewWebsite
When2meet logo

When2meet

Scheduling & Booking

Find the best time to meet

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Slack 90-day message history limit on free plan results in important conversations disappearing; When2meet no calendar synchronization capability
  • They diverge on capability: Slack covers Channels, When2meet covers Visual availability grid.

Where they differ

Only the attributes on which Slack and When2meet actually diverge.

Attributes where Slack and When2meet differ
AttributeSlackWhen2meet
Pricing modelUnknownfree
PlatformsWeb, iOS, Android, macOS, Windows, LinuxWeb
CategoryAll industriesScheduling & Booking
Founded20092003

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 Slack

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

Only in When2meet

  • Visual availability grid
  • No account required
  • Drag-to-select availability
  • Group overview
  • Shareable links
  • Web support

What people use each for

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

Slack

  • Team communicationnot When2meet
  • Project coordinationnot When2meet
  • Customer supportnot When2meet
  • Remote worknot When2meet
  • Cross-functional collaborationnot When2meet

When2meet

  • Schedulingnot Slack
  • Appointment bookingnot Slack
  • Time trackingnot Slack
  • Resource managementnot Slack
  • Team coordinationnot Slack

Where each one falls short

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

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

When2meet

  • No calendar synchronization capability
  • No automated reminders to participants
  • No dedicated mobile app, web-only access
  • No integration with calendar systems or other tools
  • Requires manual entry of availability rather than auto-sync from calendar

Pricing, plan by plan

Slack

Free

No published plan breakdown. See the Slack review.

When2meet

Free
  • FreeFree
    • Unlimited events
    • Visual availability
    • No account needed

Which should you pick?

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

Choose When2meet if

  • You need visual availability grid.
  • You want to start without paying.
  • You also want no account required.
When2meet review

Questions people ask

Is Slack or When2meet better?
Neither clearly leads. Slack starts at Free and When2meet at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Slack or When2meet?
Slack starts at Free and When2meet at Free.
Does Slack or When2meet run on more platforms?
Slack runs on Web, iOS, Android, macOS, Windows, Linux. When2meet runs on Web.
Can I use Slack for free?
Both have a free tier, so you can try either at no cost before committing.
What is Slack best used for?
Slack is most often used for team communication, project coordination, customer support, remote work. Of those, team communication and project coordination are not what When2meet is typically brought in for.
What can Slack do that When2meet cannot?
Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. When2meet covers Visual availability grid, No account required, Drag-to-select availability, Group overview.

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
When2meet: Is When2meet free to use?

Yes, When2meet is completely free. Anyone can create and participate in availability surveys at no cost. The service is supported by advertising.

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
When2meet: Do I need to create an account to use When2meet?

No, When2meet requires no login or account creation. You can create scheduling polls and share them instantly.

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
When2meet: How does When2meet differ from Doodle or Calendly?

When2meet is a basic polling tool where participants manually mark availability. Unlike Doodle, it has no calendar sync or timezone handling. Unlike Calendly, it does not support direct booking or calendar integrations.

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 Slack

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