# Slack vs Zoom

**Leader by vioscaleAI score:** Slack

| Attribute | Slack | Zoom |
|---|---|---|
| **vioscaleAI score** | 78.7 (51% (medium)) | 64.4 (72% (medium)) |
| content.faq | `[{"answer":"A work operating system that combines messaging, workflow automation, and app integrations to enable team communication, process documentation, and knowledge sharing with enterprise security. It is indexed under Collaboration Software.","source":"https://slack.com","question":"What is Slack?","confidence":0.6},{"answer":"Slack offers a free tier, so you can start without paying. Paid plans start at £5.75 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://slack.com","question":"Is Slack free?","confidence":0.6},{"answer":"Slack supports the web and iOS. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://slack.com","question":"What platforms does Slack support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Slack, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://slack.com","question":"Can Slack be self-hosted?","confidence":0.6},{"answer":"We have confirmed 15 integrations for Slack, including Salesforce, Atlassian, Lucid, Loom, Miro, Smartsheet, Mural and Zapier, plus 7 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://slack.com","question":"What does Slack integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Slack. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Slack not holding them. Always confirm compliance directly before you rely on it.","source":"https://slack.com/security","question":"What security certifications does Slack have?","confidence":0.7}]` | `[{"answer":"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. It is indexed under Collaboration Software.","source":"https://zoom.us/pricing/education","question":"What is Zoom?","confidence":0.6},{"answer":"Zoom offers a free tier, so you can start without paying. Paid plans are also available: School and Campus, School and Campus Plus and Enterprise. Pricing changes often, so verify at source before relying on it.","source":"https://zoom.us/pricing/education","question":"Is Zoom free?","confidence":0.6},{"answer":"Zoom supports the web, Windows, macOS, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://zoom.us/pricing/education","question":"What platforms does Zoom support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Zoom, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://zoom.us/pricing/education","question":"Can Zoom be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Zoom, including Skype for Business (Lync), Learning Tools Interoperability (LTI) and Third-party applications via App Marketplace. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://zoom.us/pricing/education","question":"What does Zoom integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Zoom. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Zoom not holding them. Always confirm compliance directly before you rely on it.","source":"https://explore.zoom.us/de/trust/resources/vendor-relations/","question":"What security certifications does Zoom have?","confidence":0.7},{"answer":"Zoom is available worldwide. Its primary markets are the United States and Canada.","source":"https://zoom.us/pricing/education","question":"Where is Zoom available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | 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. | 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. |
| features.capabilities | `{"hosting":"cloud","sso_scim":true,"messaging":true,"api_access":true,"video_meetings":true,"app_marketplace":true,"deployment_model":"cloud_saas","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording_ai_notes","threaded_reply_conversations":true,"automated_workflow_bot_builders":true,"channel_based_topic_organization":true,"robust_message_search_and_history_indexing":true}` | `{"soc2":true,"hosting":"cloud","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"whiteboard":true,"ai_assistant":true,"browser_join":true,"pstn_dial_in":true,"webinar_mode":true,"e2e_encryption":true,"screen_sharing":true,"video_meetings":true,"app_marketplace":true,"hipaa_available":true,"max_participants":"300-500+","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording_ai_notes"}` |
| integrations.count | 2,500 | 2 |
| integrations.list | `[{"name":"Salesforce"},{"name":"Atlassian"},{"name":"Lucid"},{"name":"Loom"},{"name":"Miro"},{"name":"Smartsheet"},{"name":"Mural"},{"name":"Zapier"},{"name":"Microsoft 365","native":true},{"name":"Jira","native":true,"category":"project_management"},{"name":"GitHub","native":true,"category":"engineering"},{"name":"Google Workspace","native":true,"category":"authentication","direction":"inbound"},{"name":"Okta","native":true,"category":"authentication","direction":"inbound"},{"name":"ADFS","native":true,"category":"authentication","direction":"inbound"},{"name":"Zendesk","native":true}]` | `[{"name":"Skype for Business (Lync)"},{"name":"Learning Tools Interoperability (LTI)"},{"name":"Third-party applications via App Marketplace"},{"name":"Microsoft 365","native":true},{"name":"Google","native":true}]` |
| 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,"linux":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 | freemium |
| pricing.price_level | low | low |
| pricing.transparent | yes | no |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | yes | yes |
| security.certifications | - | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"ISO 27701","status":"active"}]` |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |
| security.trust_center | https://slack.com/blog/collaboration/security-at-slack-how-slack-protects-your-data | https://explore.zoom.us/de/trust/resources/vendor-relations/ |

## Capabilities (Collaboration Software)

| Capability | Slack | Zoom |
|---|:--:|:--:|
| **Modality** |  |  |
| Messaging | ✓ | ✓ |
| Video meetings | ✓ | ✓ |
| Whiteboard | - | ✓ |
| **Meetings** |  |  |
| Screen sharing | - | ✓ |
| Recording / transcription | Recording + AI notes | 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: vioscaleAI. Generated 2026-10-16T19:03:47.266Z. "-" = undocumented, not absent.*