Slack vs Zoom
On the evidence we track, Slack leads this comparison with a composite score of 79/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for collaboration software. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Slack
LeaderSlack 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.
Zoom
A comprehensive unified communications solution offering video conferencing, instant messaging, cloud-based phone service, webinars, and workplace collaboration features, deployable in cloud or on-premises environments.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Slack
LeaderFrom £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
Zoom
- School and Campus-
- Meetings up to 300 participants for 30 hours
- Team Chat with direct, channel, and group messaging
- Unlimited whiteboards
- Screen sharing with co-annotation
- Breakout rooms and polling
- +9 more
- School and Campus Plus-
- All School and Campus features plus:
- Zoom Phone with unlimited internal calling
- Metered outbound calling within US & Canada
- 10GB cloud storage per user
- LTI integration
- +5 more
- EnterpriseContact sales
- Meetings up to 500+ participants
- Webinars up to 500 attendees
- Unlimited cloud storage
- Zoom Phone with unlimited calling
- Conference Room Connector
- +3 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Microsoft 365
Slack
Leader- Salesforce
- Atlassian
- Lucid
- Loom
- Miro
- Smartsheet
- Mural
- Zapier
- Jira
- GitHub
- Google Workspace
- Okta
- ADFS
- Zendesk
Zoom
- Skype for Business (Lync)
- Learning Tools Interoperability (LTI)
- Third-party applications via App Marketplace
Slack or Zoom: 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.