# Lark vs Mattermost

**Leader by vioscaleAI score:** Mattermost

| Attribute | Lark | Mattermost |
|---|---|---|
| **vioscaleAI score** | 55.2 (44% (low)) | 67 (65% (medium)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 371 |
| adoption.github_stars | - | 39,264 |
| content.faq | `[{"answer":"A unified platform combining messaging, knowledge management, and automation with AI capabilities. Helps teams consolidate workflows, conversations, and integrations in one workspace where AI can access full context to automate tasks and drive results. It is indexed under Collaboration Software.","source":"https://www.larksuite.com","question":"What is Lark?","confidence":0.6},{"answer":"Lark offers a free tier, so you can start without paying. Paid plans start at $6 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://www.larksuite.com","question":"Is Lark free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Lark. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.larksuite.com","question":"What platforms does Lark support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Lark, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.larksuite.com","question":"Can Lark be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for Lark. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Lark not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.larksuite.com","question":"What security certifications does Lark have?","confidence":0.6}]` | `[{"answer":"Mattermost is a self-hosted or cloud-based collaboration platform offering secure messaging, voice calling, screen sharing, workflow automation, and AI-assisted tools for teams and enterprises. It is indexed under Collaboration Software.","source":"https://mattermost.com","question":"What is Mattermost?","confidence":0.6},{"answer":"Mattermost offers a free tier, so you can start without paying. Paid plans are also available: Open Source, Enterprise E10 and Enterprise E20. Pricing changes often, so verify at source before relying on it.","source":"https://mattermost.com","question":"Is Mattermost free?","confidence":0.6},{"answer":"Mattermost supports the web, Windows, macOS, Linux, iOS, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://mattermost.com","question":"What platforms does Mattermost support?","confidence":0.6},{"answer":"Yes. Mattermost can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://mattermost.com","question":"Can Mattermost be self-hosted?","confidence":0.6},{"answer":"We have confirmed 14 integrations for Mattermost, including Slack, Git, Jenkins, Twitter, Bugzilla, RSS, Gerrit and Redmine, plus 6 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://mattermost.com","question":"What does Mattermost integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Mattermost. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Mattermost not holding them. Always confirm compliance directly before you rely on it.","source":"https://mattermost.com/security","question":"What security certifications does Mattermost have?","confidence":0.7},{"answer":"Mattermost is available worldwide. Its primary markets are the United States, Canada, the United Kingdom, the EU and Japan. The vendor is headquartered in the United States.","source":"https://mattermost.com","question":"Where is Mattermost available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | An all-in-one collaboration platform integrating chat, meetings, document management, and project tools, enhanced with AI-powered workflows and automation capabilities. | Mattermost is a self-hosted or cloud-based collaboration platform offering secure messaging, voice calling, screen sharing, workflow automation, and AI-assisted tools for teams and enterprises. |
| features.capabilities | `{"hosting":"cloud","free_tier":true,"messaging":true,"api_access":true,"video_meetings":true,"compliance_controls":true,"recording_transcription":"recording"}` | `{"hosting":"both","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"whiteboard":false,"pricing_model":"per_seat_subscription","screen_sharing":true,"video_meetings":false,"app_marketplace":true,"deployment_model":"self_hosted_on_premise","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording_ai_notes","cross_company_guest_channels":true,"threaded_reply_conversations":true,"automated_workflow_bot_builders":true,"channel_based_topic_organization":true,"jira_github_engineering_webhook_sync":true,"robust_message_search_and_history_indexing":true}` |
| integrations.count | - | 700 |
| integrations.list | - | `[{"name":"Slack"},{"name":"Git"},{"name":"Jenkins"},{"name":"GitLab"},{"name":"GitHub"},{"name":"Twitter"},{"name":"Bugzilla"},{"name":"RSS"},{"name":"Gerrit"},{"name":"Redmine"},{"name":"Mercurial"},{"name":"SVN"},{"name":"Threema"},{"name":"Pexip"},{"name":"Prometheus","category":"monitoring","direction":"inbound"},{"name":"Grafana","category":"monitoring","direction":"inbound"},{"name":"Microsoft Teams","native":true,"category":"chat","direction":"bidirectional"},{"name":"Matrix","native":false,"category":"chat","direction":"bidirectional"},{"name":"XMPP","native":false,"category":"chat","direction":"bidirectional"},{"name":"Trello","native":true,"category":"project_management","direction":"outbound"},{"name":"ServiceNow","native":true,"category":"itsm","direction":"bidirectional"},{"name":"PagerDuty","native":true,"category":"incident_response","direction":"bidirectional"},{"name":"Splunk","native":true,"category":"monitoring","direction":"bidirectional"},{"name":"Nagios","native":true,"category":"monitoring","direction":"bidirectional"},{"name":"Ansible","native":true,"category":"automation","direction":"outbound"},{"name":"Matterbridge","native":false,"category":"chat","direction":"bidirectional"}]` |
| language.primary | - | TypeScript |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"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":"Starter","summary":"Free","features":["Team collaboration","20 users max","100 GB storage","1-on-1 video meetings","18 months message history","Unlimited real-time translation","1,000 automations/month","2,000 rows/table","Limited trial of Base AI"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For small teams with simple communication needs","contactSales":false,"includedLimits":{"users":"20","storage":"100 GB","message_history":"18 months","automations_per_month":"1,000"}},{"free":false,"name":"Basic","summary":"$6/user/month billed annually","features":["Team collaboration","500 users max","5 TB storage (expandable)","1-on-1 video meetings","Unlimited message history","Unlimited real-time translation","1,000 automations/month","2,000 rows/table","Expanded trial of Base AI"],"commitment":"annual","components":[{"kind":"per_unit","unit":"user","amount":6,"period":"month","currency":"USD"}],"description":"For growing companies with basic collaboration needs","contactSales":false,"includedLimits":{"users":"500","storage":"5 TB","message_history":"Unlimited","automations_per_month":"1,000"}},{"free":false,"name":"Pro","summary":"$12/user/month billed annually","features":["Team collaboration","500 users max","15 TB storage (expandable)","500-participant video meetings","Unlimited message history","Unlimited real-time translation","50,000 automations/month","20,000 rows/table","Expanded trial of Base AI","Base advanced permissions","Security & organizational controls","Frontline solution compatible","Communication and collaboration permissions"],"commitment":"annual","components":[{"kind":"per_unit","unit":"user","amount":12,"period":"month","currency":"USD"}],"description":"For companies with comprehensive collaboration and management needs","contactSales":true,"includedLimits":{"users":"500","storage":"15 TB","message_history":"Unlimited","meeting_participants":"500","automations_per_month":"50,000"}},{"free":false,"name":"Enterprise","summary":"Custom pricing, billed annually","features":["Team collaboration","Unlimited users","15 TB + 30 GB per user storage (expandable)","500-participant video meetings","Unlimited message history","Unlimited real-time translation","500,000 automations/month","50,000 rows/table","Expanded trial of Base AI","Base advanced permissions","Security & organizational controls","Frontline solution compatible","Communication and collaboration permissions","Single sign-on (SSO)","Advanced security & compliance controls"],"commitment":"annual","description":"For large companies with advanced security and organizational management needs","contactSales":true,"includedLimits":{"users":"Unlimited","storage":"15 TB + 30 GB per user","message_history":"Unlimited","meeting_participants":"500","automations_per_month":"500,000"}}],"addOns":[{"name":"AI Meeting Notes","components":[{"per":{"qty":1800,"unit":"notes"},"kind":"metered","amount":1699,"currency":"USD"}]},{"name":"Meegle Premium","components":[{"kind":"per_unit","unit":"user","amount":12,"period":"month","currency":"USD"}]},{"name":"Base automation expansion","components":[{"per":{"qty":50000,"unit":"automation runs"},"kind":"metered","amount":599,"currency":"USD"}]}],"summary":"Free to $12/user/month. Free Starter tier. Annual billing saves 16.6%.","currency":"USD","freeTier":true,"sourceUrl":"https://www.larksuite.com","retrievedAt":"2026-08-03T20:21:24.479Z","startingPrice":{"amount":6,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"hybrid","plans":[{"free":false,"name":"Enterprise Edition E10","contactSales":false},{"free":false,"name":"Enterprise Edition E20","contactSales":false}],"freeTier":true,"sourceUrl":"https://mattermost.com","retrievedAt":"2026-10-05T11:08:02.475Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | unknown | low |
| pricing.transparent | no | no |
| release.cadence_days | - | 1 |
| release.history | - | `[{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.3-rc1","date":"2026-10-02T11:23:57Z","type":"prerelease","version":"v11.10.3-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v12.0.0-rc2","date":"2026-09-25T08:37:30Z","type":"prerelease","version":"v12.0.0-rc2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.1","date":"2026-09-24T06:27:30Z","type":"stable","version":"v11.11.1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v12.0.0-rc1","date":"2026-09-18T10:58:45Z","type":"prerelease","version":"v12.0.0-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v10.11.24","date":"2026-09-16T09:55:00Z","type":"stable","version":"v10.11.24"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.2","date":"2026-09-15T07:48:24Z","type":"stable","version":"v11.10.2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.11","date":"2026-09-15T05:06:55Z","type":"stable","version":"v11.7.11"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.11-rc1","date":"2026-09-11T12:06:09Z","type":"prerelease","version":"v11.7.11-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.9.2","date":"2026-09-15T06:26:10Z","type":"stable","version":"v11.9.2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0","date":"2026-09-07T11:26:50Z","type":"stable","version":"v11.11.0"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0-rc3","date":"2026-09-07T10:37:02Z","type":"prerelease","version":"v11.11.0-rc3"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.10","date":"2026-08-26T11:53:54Z","type":"stable","version":"v11.7.10"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0-rc2","date":"2026-08-25T09:15:51Z","type":"prerelease","version":"v11.11.0-rc2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.1","date":"2026-08-24T07:07:00Z","type":"stable","version":"v11.10.1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0-rc1","date":"2026-08-18T06:47:33Z","type":"prerelease","version":"v11.11.0-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.9","date":"2026-08-13T06:29:32Z","type":"stable","version":"v11.7.9"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.9.1","date":"2026-08-13T06:07:31Z","type":"stable","version":"v11.9.1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.9.1-rc1","date":"2026-08-07T09:17:30Z","type":"prerelease","version":"v11.9.1-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.8.5","date":"2026-08-13T05:45:21Z","type":"stable","version":"v11.8.5"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.8.5-rc1","date":"2026-08-07T08:38:34Z","type":"prerelease","version":"v11.8.5-rc1"}]` |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` | `[{"name":"Section 508 Compliance","status":"active","evidenceUrl":"https://mattermost.com"}]` |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.iso27001 | yes | - |
| security.scorecard | - | 7.3 |
| security.soc2 | yes | - |
| security.trust_center | - | https://mattermost.com/blog/trusted-device-authentication-101/ |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mattermost-redux&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Collaboration Software)

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

*Source: vioscaleAI. Generated 2026-10-16T19:03:05.235Z. "-" = undocumented, not absent.*