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Telecommunications · head to head

RingCentral vs Slack

RingCentral logo

RingCentral

Telecommunications

Unified communications platform for enterprise

From
$24.99/month
Rated
-
Full reviewWebsite
Slack logo

Slack

Communication

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: RingCentral the pricing page shows no per user rate until you enter a user count, so the headline plan cost is not published outright; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: RingCentral covers VoIP calling, Slack covers Channels.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which RingCentral and Slack actually diverge.

Attributes where RingCentral and Slack differ
AttributeRingCentralSlack
Starting price$24.99/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Windows, Macos, Ios, AndroidWeb, iOS, Android, macOS, Windows, Linux
CategoryTelecommunicationsCommunication
Founded19992009

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 RingCentral

  • VoIP calling
  • Video conferencing
  • Team messaging
  • SMS/MMS
  • File storage
  • Call recording
  • Analytics
  • Microsoft Teams

Only in Slack

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

Both cover

  • Salesforce
  • Zoom
  • SOC2
  • HIPAA
  • ISO27001

What people use each for

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

RingCentral

  • Businesses looking for integrated voice, video, and messaging communicationnot Slack
  • Companies needing AI-powered call handling and receptionist featuresnot Slack
  • Organizations requiring Advanced or Ultra tier packages with advanced call queuingnot Slack

Slack

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

Where each one falls short

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

RingCentral

  • The pricing page shows no per user rate until you enter a user count, so the headline plan cost is not published outright
  • The advertised saving of up to 33 percent requires paying annually rather than monthly
  • Cost centre management, multiple support admins, custom roles and adoption analytics are limited to the Advanced and Ultra packages
  • AI Receptionist starts at $39 a month, Conversational Intelligence at $60 a month, the Call Queues Booster is $35 a month and the Business SMS Booster is $25 a month, all charged on top of the plan
  • SMS is excluded from the free trial

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

RingCentral

$24.99/month
  • Essentials$24.99/month
    • Calls, meetings, messaging
    • Video conferencing
    • File sharing
  • Standard$34.99/month
    • Everything in Essentials
    • Advanced features
    • Call recording

Slack

Free

No published plan breakdown. See the Slack review.

Which should you pick?

Choose RingCentral if

  • You need voip calling.
  • You work on Web, Windows, Macos, Ios, Android.
  • You also want video conferencing.
RingCentral 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 RingCentral or Slack better?
Neither clearly leads. RingCentral starts at $24.99/month and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RingCentral or Slack?
Slack has a free tier; the other does not. Paid plans start at $24.99/month for RingCentral and Free for Slack.
Does RingCentral or Slack run on more platforms?
RingCentral runs on Web, Windows, Macos, 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. RingCentral starts at $24.99/month.
What is RingCentral best used for?
RingCentral is most often used for businesses looking for integrated voice, video, and messaging communication, companies needing ai-powered call handling and receptionist features, organizations requiring advanced or ultra tier packages with advanced call queuing. Of those, businesses looking for integrated voice, video, and messaging communication and companies needing ai-powered call handling and receptionist features are not what Slack is typically brought in for.
What can RingCentral do that Slack cannot?
RingCentral covers VoIP calling, Video conferencing, Team messaging, SMS/MMS. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Both handle Salesforce, Zoom, SOC2, HIPAA.

Answered from the vendors’ own pages

RingCentral: Is there a free trial for RingCentral?

RingCentral offers a 14-day free trial for new subscribers supporting up to 20 phone lines with full feature access. No credit card is required to start the trial.

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
RingCentral: How much do RingCentral add-ons cost?

AI Receptionist starts at $39/month per user, Conversational Intelligence costs $60/month per user, Call Queues Booster is $35/month, and Business SMS Booster is $25/month. These are optional add-ons separate from base plan pricing.

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
RingCentral: Can I save money with annual billing on RingCentral?

Yes. RingCentral offers up to 33% savings by paying annually compared to monthly billing. This discount applies across all plan tiers and services.

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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