Comparison

RingCentral vs Slack

No clear leader: Slack (78.7) and RingCentral (75.8) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
RingCentral76
Slack79
Score
vioscaleAI score
RingCentral76 / 100medium · 72%
Slack79 / 100medium · 51%
Pricing
Free tier
RingCentral✓
Slack✓
Model
RingCentralfreemium
Price level
RingCentrallow
Slacklow
Transparent
RingCentral✗
Slack✓
Integrations
Count
RingCentral500
Slack2,500
Security
Disclosure policy
RingCentral✓
Slack✓
Gdpr
RingCentral✓
Slack✓
Iso27001
RingCentral✓
Slack–
Soc2
RingCentral✓
Slack–
Reliability
Sla pct
RingCentral99.999
Slack–
Status page
RingCentral✓
Slack✓
Content
Faq
RingCentral7 items
Slack6 items

Capabilities

Feature-by-feature on the axes that matter for collaboration software. “-” means undocumented, not absent.

Modality
Messaging
RingCentral✓
Slack✓
Video meetings
RingCentral✓
Slack✓
Whiteboard
RingCentral-
Slack-
Meetings
Screen sharing
RingCentral✓
Slack-
Recording / transcription
RingCentralRecording + AI notes
SlackRecording + AI notes
Security
End-to-end encryption
RingCentral-
Slack-
SSO / SCIM
RingCentral✓
Slack✓
Access
Guest / external access
RingCentral✓
Slack✓
Compliance
Compliance controls
RingCentral✓
Slack✓
Deployment
Hosting
RingCentralCloud only
SlackCloud only
Scale
Max participants
RingCentralup to 300 participants
Slack-
Ecosystem
App marketplace
RingCentral✓
Slack✓
Public API / bot framework
RingCentral✓
Slack✓
Commercial
Free tier
RingCentral✓
Slack-

What each one is

The product in its own terms, so the numbers below have context.

RingCentral

A communication platform enabling businesses to automate and analyze customer interactions through AI-powered voice, messaging, and video capabilities. It helps organizations manage communications, improve customer satisfaction, and gain insights from customer interactions at scale.

Independently observed

Slack

Slack is a cloud-based system that enables teams to communicate through channels, integrate with external tools, and automate workflows while maintaining enterprise-grade security and compliance controls.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

RingCentral

from $20/moSubscription

From $20/user/month (billed annually). Free trial available.

  • Core$20/user/month (billed annually)
    • Unlimited domestic calling
    • On-demand call recording
    • 100 toll-free minutes
    • 25 SMS per user per month
    • HD meetings (200 participants)
    • +4 more
  • Advanced$25/user/month (billed annually)
    • Everything in Core
    • CRM integrations
    • Connect multiple sites
    • Core reporting and insights
    • 1000 toll-free minutes
    • +6 more
  • Ultra$35/user/month (billed annually)
    • Everything in Advanced
    • 10000 toll-free minutes
    • 200 SMS per user per month
    • RingCentral Webinar
    • Historical and real-time insights
    • +3 more
  • Customer Engagement BundleContact sales
    • Everything in Ultra
    • Business SMS Booster
    • Call Queues Booster
as of verify ↗

Slack

from £5.75/moSubscriptionFree tier

From £0 (free tier) to £7/user/month (Pro). Free tier available.

  • FreeFree
    • 90 days of message history
    • Up to 10 apps from Slack App Directory
    • 1:1 audio and video meetings with screen sharing
    • 1:1 external messages via Slack Connect
    • SAML-based single sign-on
    • +9 more
  • Pro£7/user/month (£5.75/user/month billed annually)
    • Unlimited message history
    • Unlimited app integrations
    • 2,600+ apps in Slack App Directory
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
RingCentral✓
Slack✓
iOS
RingCentral✓
Slack✓
Android
RingCentral✓
Slack✗
macOS
RingCentral✓
Slack✗
Windows
RingCentral✓
Slack✗
Deployment
Cloud / SaaS
RingCentral✓
Slack✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (4)
  • Salesforce
  • Zendesk
  • Google Workspace
  • Microsoft 365

RingCentral

13 total - 9 not shared
  • HubSpot
  • Microsoft Teams
  • Bullhorn
  • Netsuite
  • ServiceNow
  • Sugar CRM
  • Dynamics
  • ChatGPT
  • Claude
Independently observed

Slack

15 total - 11 not shared
  • Atlassian
  • Lucid
  • Loom
  • Miro
  • Smartsheet
  • Mural
  • Zapier
  • Jira
  • GitHub
  • Okta
  • ADFS
Independently observed
Still deciding?

RingCentral or Slack: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.