Comparison

RingCentral vs Slack

On the evidence we track, Slack leads this comparison with a composite score of 82/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

RingCentral full profile →Slack full profile →

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RingCentral67

★Slack82

Attribute comparison across 2 tools
Attribute	RingCentral	SlackLeader
Vioscale score	67 / 100medium · 57%	82 / 100medium · 54%
Pricing
Free tierpricing.free_tier	✗	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	unknown	low
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	500	2,500
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	✓	✓
Iso27001security.iso27001	✓	-
Soc2security.soc2	✓	-
Reliability
Sla pctreliability.sla_pct	99.999	-
Status pagereliability.status_page	✓	✓
Market
Availabilitymarket.availability	Available worldwide · Popular in US, CA, AU, GB, DE, FR, IT, ES, PT, SG	Available worldwide

Score

Vioscale score

RingCentral67 / 100medium · 57%

Slack82 / 100medium · 54%

Pricing

Free tier

RingCentral✗

Slack✓

Model

RingCentralcommercial

Slackcommercial

Price level

RingCentralunknown

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✓

Market

Availability

RingCentralAvailable worldwide · Popular in US, CA, AU, GB, DE, FR, IT, ES, PT, SG

SlackAvailable worldwide

Capabilities

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

Capability comparison for Collaboration Software
Capability	RingCentral	Slack
Modality
Messaging	✓	✓
Video meetings	✓	-
Whiteboard	-	-
Meetings
Screen sharing	✓	-
Recording / transcription	Recording + AI notes	-
Security
End-to-end encryption	-	-
SSO / SCIM	✓	-
Access
Guest / external access	-	✓
Compliance
Compliance controls	✓	✓
Deployment
Hosting	Cloud only	Cloud only
Scale
Max participants	-	-
Ecosystem
App marketplace	✓	✓
Public API / bot framework	✓	✓
Commercial
Free tier	✗	-

Modality

Messaging

RingCentral✓

Slack✓

Video meetings

RingCentral✓

Slack-

Whiteboard

RingCentral-

Slack-

Meetings

Screen sharing

RingCentral✓

Slack-

Recording / transcription

RingCentralRecording + AI notes

Slack-

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

RingCentral-

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 cloud-based solution combining phone, messaging, video meetings, and intelligent contact center tools to automate and manage customer interactions and internal team communications.

Independently observed

Slack

Leader

A workspace tool that consolidates team messaging, third-party software integrations, and automated workflows to help distributed teams coordinate work and manage customer interactions more effectively.

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 2026-08-03verify ↗

Slack

Leader

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 2026-08-05verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	RingCentral	Slack
WebPlatforms	✓	✓
iOSPlatforms	✓	✓
AndroidPlatforms	✓	✗
Cloud / SaaSDeployment	✓	✓

Platforms

Web

RingCentral✓

Slack✓

iOS

RingCentral✓

Slack✓

Android

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 (1)

Salesforce

RingCentral

10 total - 9 not shared

HubSpot
Zendesk
Microsoft Teams
Google Workspace
Bullhorn
Netsuite
ServiceNow
Sugar CRM
Dynamics

Independently observed

Slack

Leader

8 total - 7 not shared

Atlassian
Lucid
Loom
Miro
Smartsheet
Mural
Zapier

Independently observed

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