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All industries · head to head

Slack vs Zenefits

Slack logo

Slack

All industries

Where work happens

From
Free
Rated
-
Zenefits logo

Zenefits

Payroll & Benefits

All-in-one HR platform for growing companies

From
$8/month
Rated
-

The short version

  • Only Slack has a free tier, so it costs nothing to try first.
  • Each has a real cost: Slack 90-day message history limit on free plan results in important conversations disappearing; Zenefits product discontinued by parent company TriNet
  • They diverge on capability: Slack covers Channels, Zenefits covers HR Administration.

Where they differ

Only the attributes on which Slack and Zenefits actually diverge.

Attributes where Slack and Zenefits differ
AttributeSlackZenefits
Starting priceFree$8/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWeb, iOS, Android, macOS, Windows, LinuxWeb
CategoryAll industriesPayroll & Benefits
Founded20092013

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 Slack

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

Only in Zenefits

  • HR Administration
  • Benefits Management
  • Payroll
  • Time and Scheduling
  • Compliance
  • Performance Management
  • Slack
  • Google Workspace

What people use each for

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

Slack

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

Zenefits

No use cases recorded yet. See the Zenefits review.

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

Zenefits

  • Product discontinued by parent company TriNet
  • Remaining customers forced to migrate to more expensive TriNet products

Pricing, plan by plan

Slack

Free

No published plan breakdown. See the Slack review.

Zenefits

$8/month
  • Essentials$8/month
    • HR Administration
    • Time Off Tracking
    • Scheduling
  • Growth$16/month
    • All Essentials features
    • Compensation Management
    • Performance Management

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.

Choose Zenefits if

  • You need hr administration.
  • You also want benefits management.

Questions people ask

Is Slack or Zenefits better?
Neither clearly leads. Slack starts at Free and Zenefits at $8/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Slack or Zenefits?
Slack has a free tier; the other does not. Paid plans start at Free for Slack and $8/month for Zenefits.
Does Slack or Zenefits run on more platforms?
Slack runs on Web, iOS, Android, macOS, Windows, Linux. Zenefits runs on Web.
Can I use Slack for free?
Yes. Slack has a free tier, so you can try it without paying. Zenefits starts at $8/month.
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 Zenefits is typically brought in for.
What can Slack do that Zenefits cannot?
Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Zenefits covers HR Administration, Benefits Management, Payroll, Time and Scheduling.

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
Zenefits: Is Zenefits still available as a standalone product?

No. Zenefits was discontinued as a standalone product after TriNet's acquisition in 2022. Existing customers are being migrated to TriNet HR Plus (ASO) or TriNet PEO at higher costs.

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
Zenefits: What were Zenefits' main features before discontinuation?

Zenefits provided HR, benefits management, payroll as optional add-on, time and attendance tracking, and compliance tools for small to mid-sized businesses with 10-200 employees.

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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