vioscale
Comparison

RingCentral vs Zulip

No clear leader: Zulip (70.8) and RingCentral (66.7) 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.

RingCentral full profile →Zulip full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
RingCentral67
Zulip71
Score
Vioscale score
RingCentral67 / 100medium · 57%updating
Zulip71 / 100medium · 73%updating
Pricing
Free tier
RingCentral✗
Zulip✓
Model
RingCentralcommercial
Zulipfreemium
Price level
RingCentralunknown
Zulipfree
Transparent
RingCentral✗
Zulip✓
Integrations
Count
RingCentral500
Zulip130
Security
Disclosure policy
RingCentral✓
Zulip✓
Gdpr
RingCentral✓
Zulip✓
Hipaa
RingCentral–
Zulip✓
Iso27001
RingCentral✓
Zulip–
Soc2
RingCentral✓
Zulip–
Reliability
Sla pct
RingCentral99.999
Zulip–
Status page
RingCentral✓
Zulip✓
Market
Availability

Capabilities

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

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

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

Zulip

Zulip is an open-source team chat platform featuring topic-based threading to organize conversations. It supports both synchronous and asynchronous workflows and offers flexible deployment options including cloud hosting or self-hosted infrastructure.

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 ↗

Zulip

from $-20/moSubscriptionFree tier

From free to $12/user/month (Cloud Plus). Self-hosted from $3.50/user/month.

  • Zulip Cloud FreeFree
    • 10,000 messages search history
    • 5GB total file storage
    • Complete team chat solution
    • Hundreds of integrations
    • Advanced roles and permissions
    • +1 more
  • Zulip Cloud Standard$6.67/user/month billed annually or $8/month
    • Unlimited search history
    • 5GB per user storage
    • Custom permission groups
    • Message retention policies
    • Custom branding
    • +2 more
  • Zulip Cloud Plus$10/user/month billed annually or $12/month (minimum 10 users)
    • All Standard features
    • 25GB per user storage
    • SAML SSO (Okta, OneLogIn)
    • SCIM sync
    • Custom domain
    • +1 more
  • Self-hosted FreeFree
    • All Zulip features
    • Mobile notifications (limited)
    • 100% open-source
  • Self-hosted Basic$3.50/user/month, $20/month off first year
    • All features
    • Unlimited mobile notifications
    • Supports open-source development
  • Self-hosted Business$6.67/user/month billed annually or $8/month (minimum 25 users), $20/month off first year
    • All features
    • Email and chat support
    • SSO (SAML, Entra ID)
    • AD/LDAP sync
    • Configurable guest access
    • +2 more
  • Self-hosted EnterpriseContact sales
    • All features
    • Phone, email and chat support
    • OpenID Connect SSO
    • SCIM sync
    • Implementation consulting
    • +2 more
as of verify ↗

Platform & deployment

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

Platforms
Web
RingCentral✓
Zulip✓
iOS
RingCentral✓
Zulip✓
Android
RingCentral✓
Zulip✓
macOS
RingCentral✗
Zulip✓
Windows
RingCentral✗
Zulip✓
Linux
RingCentral✗
Zulip✓
CLI
RingCentral✗
Zulip✓
Deployment
Cloud / SaaS
RingCentral✓
Zulip✓
Self-hosted
RingCentral✗
Zulip✓
On-premise
RingCentral✗
Zulip✓
Hybrid
RingCentral✗
Zulip✓
Air-gapped
RingCentral✗
Zulip✓

Integrations

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

In common (3)
  • Salesforce
  • Zendesk
  • Microsoft Teams

RingCentral

10 total - 7 not shared
  • HubSpot
  • Google Workspace
  • Bullhorn
  • Netsuite
  • ServiceNow
  • Sugar CRM
  • Dynamics
Independently observed

Zulip

50 total - 47 not shared
  • Slack
  • Discord
  • Mattermost
  • Rocket.Chat
  • Matrix
  • IRC
  • Email
  • GitHub
  • GitLab
  • Bitbucket
  • Asana
  • Jira
  • Linear
  • Trello
  • Basecamp
  • Jenkins
  • CircleCI
  • GitHub Actions
  • Travis CI
  • TeamCity
  • Heroku
  • Netlify
  • Docker
  • Kubernetes
  • +23 more
Independently observed

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