# Slack vs Zoom

**Leader by Vioscale score:** Slack

| Attribute | Slack | Zoom |
|---|---|---|
| **Vioscale score** | 81.5 (54% (medium)) | 60.5 (54% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | 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. | Cloud-based suite that integrates video conferencing, instant messaging, phone services, email, and collaboration tools into one platform. Supports meetings up to 500+ participants with recording, transcription, and AI-assisted features. |
| features.capabilities | `{"hosting":"cloud","messaging":true,"api_access":true,"app_marketplace":true,"compliance_controls":true,"guest_external_access":true}` | `{"hosting":"cloud","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"whiteboard":true,"screen_sharing":true,"video_meetings":true,"app_marketplace":true,"max_participants":"300-500+","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording_ai_notes"}` |
| integrations.count | 2,500 | 3 |
| integrations.list | `[{"name":"Salesforce"},{"name":"Atlassian"},{"name":"Lucid"},{"name":"Loom"},{"name":"Miro"},{"name":"Smartsheet"},{"name":"Mural"},{"name":"Zapier"}]` | `[{"name":"Skype for Business (Lync)"},{"name":"Learning Tools Interoperability (LTI)"},{"name":"Third-party applications via App Marketplace"}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US","CA"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"web":true}` | `{"ios":true,"mac":true,"web":true,"android":true,"windows":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free forever","features":["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","SCIM user management","EMM integration support","Native data loss prevention","AI conversation summaries","Slackbot personal AI agent","AI workflow generation","AI search","AI daily recaps","AI file summaries"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"GBP"}],"description":"A simpler way to chat and collaborate","contactSales":false,"includedLimits":{"apps":"up to 10","message_history":"90 days"}},{"free":false,"name":"Pro","summary":"£7/user/month (£5.75/user/month billed annually)","features":["Unlimited message history","Unlimited app integrations","2,600+ apps in Slack App Directory"],"components":[{"kind":"per_unit","unit":"user","amount":7,"period":"month","currency":"GBP"},{"kind":"per_unit","unit":"user","amount":5.75,"period":"month","currency":"GBP"}],"description":"Drive productivity in one place","contactSales":false}],"summary":"From £0 (free tier) to £7/user/month (Pro). Free tier available.","currency":"GBP","freeTier":true,"sourceUrl":"https://slack.com","retrievedAt":"2026-08-05T14:23:07.180Z","startingPrice":{"amount":5.75,"period":"month","currency":"GBP"},"billingPeriods":["month","year"]}` | `{"type":"subscription","plans":[{"free":false,"name":"School and Campus","features":["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","Automated captions and recording transcripts","Personal Meeting ID and waiting room","Virtual backgrounds and filters","Zoom Mail and Calendar","Tasks and file attachments","Streaming and reporting","Admin portal and user management","SSO and custom mail domain","REST API access"],"description":"Basic tier for schools with core meeting and chat features","contactSales":false,"includedLimits":{"participants":"300","meeting_duration_hours":"30","cloud_storage_gb_per_user":"5"}},{"free":false,"name":"School and Campus Plus","features":["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","Custom branding","Managed domains","Multi-region storage and media control","Device management","Language interpretations"],"description":"Mid-tier with phone service and administrative features","contactSales":false,"includedLimits":{"participants":"300","cloud_storage_gb_per_user":"10"}},{"free":false,"name":"Enterprise","features":["Meetings up to 500+ participants","Webinars up to 500 attendees","Unlimited cloud storage","Zoom Phone with unlimited calling","Conference Room Connector","Information barriers and compliance policies","Archival and data loss prevention APIs","Advanced reporting and user management"],"description":"Full-featured tier for large organizations with advanced controls","contactSales":true,"includedLimits":{"participants":"500+","webinar_attendees":"500","cloud_storage_gb_per_user":"None"}}],"freeTier":true,"sourceUrl":"https://zoom.us/pricing/education","retrievedAt":"2026-08-14T15:24:25.644Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | low | low |
| pricing.transparent | yes | no |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |

## Capabilities (Collaboration Software)

| Capability | Slack | Zoom |
|---|:--:|:--:|
| **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 | - | 300-500+ |
| **Ecosystem** |  |  |
| App marketplace | ✓ | ✓ |
| Public API / bot framework | ✓ | ✓ |
| **Commercial** |  |  |
| Free tier | - | ✓ |

*Source: Vioscale. Generated 2026-09-01T14:37:25.272Z. "-" = undocumented, not absent.*