# Mattermost vs Whereby

**Leader by vioscaleAI score:** Whereby

| Attribute | Mattermost | Whereby |
|---|---|---|
| **vioscaleAI score** | 67 (65% (medium)) | 85.5 (73% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 371 | - |
| adoption.github_stars | 39,264 | - |
| content.faq | `[{"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}]` | `[{"answer":"A cloud-based video meeting service that enables entire companies to connect with unlimited user accounts per subscription, includes meeting recording and customized branding, and supports groups up to 50 people with upgradeable capacity. It is indexed under Collaboration Software.","source":"https://whereby.com/blog/why-new-pricing-might-not-hang-around-for-long/","question":"What is Whereby?","confidence":0.6},{"answer":"Whereby offers a free tier, so you can start without paying. Paid plans start at $14.99 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://whereby.com/blog/why-new-pricing-might-not-hang-around-for-long/","question":"Is Whereby free?","confidence":0.6},{"answer":"Whereby supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://whereby.com/blog/why-new-pricing-might-not-hang-around-for-long/","question":"What platforms does Whereby support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Whereby, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://whereby.com/blog/why-new-pricing-might-not-hang-around-for-long/","question":"Can Whereby be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Whereby, including Google Calendar, Microsoft Outlook, Google Docs, Trello, YouTube, Slack and Chrome. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://whereby.com/blog/why-new-pricing-might-not-hang-around-for-long/","question":"What does Whereby integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Whereby. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Whereby not holding them. Always confirm compliance directly before you rely on it.","source":"https://whereby.com/information/security/","question":"What security certifications does Whereby have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | 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. | A privacy-first video conferencing API built in Europe, offering reliable video calls for teams and platforms with flexible pay-per-use billing. |
| features.capabilities | `{"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}` | `{"soc2":true,"hosting":"cloud","free_tier":true,"messaging":true,"api_access":true,"whiteboard":true,"open_source":true,"ai_assistant":true,"browser_join":true,"breakout_rooms":true,"e2e_encryption":true,"screen_sharing":true,"video_meetings":true,"app_marketplace":false,"hipaa_available":true,"max_participants":"200","live_transcription":true,"compliance_controls":true,"virtual_backgrounds":true,"guest_external_access":true,"recording_transcription":"recording"}` |
| integrations.count | 700 | 5 |
| 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"}]` | `[{"name":"Google Calendar"},{"name":"Microsoft Outlook"},{"name":"Google Docs"},{"name":"Trello"},{"name":"YouTube"},{"name":"Slack"},{"name":"Chrome"}]` |
| language.primary | TypeScript | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"ios":true,"web":true,"android":true}` |
| pricing | `{"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"}` | `{"type":"usage","plans":[{"free":true,"name":"Test","summary":"Free with 2,000 participant minutes per month","features":["Up to 2,000 participant minutes per month","Developer community","Email support","Limited white labelling"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"participant_minutes":"2,000/mo"}},{"free":false,"name":"Build","summary":"$9.99/month plus $0.004 per participant minute","features":["2,000 included participant minutes per month","Additional participant minutes at $0.004 each","Session transcriptions from $0.0065 per unmuted participant minute","Custom branding","Cloud recording at $0.01 per minute","Live captions","Recording transcriptions at $0.024 per minute","Included monthly storage","Additional storage at $0.0015 per GB per day","Insights suite (analytics)","Breakout groups","Screensharing","Chat","Waiting rooms","Background effects","Remove Whereby branding","File sharing","Developer community","Email support (1 business day response)"],"components":[{"kind":"fixed","amount":9.99,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"participant_minute"},"kind":"metered","amount":0.004,"currency":"USD"}],"contactSales":false,"includedLimits":{"participant_minutes":"2,000/mo"}},{"free":false,"name":"Enterprise","summary":"Custom pricing tailored for enterprise needs","features":["Volume discounts","Early access to new features","Implementation support","Technical Success Manager","HIPAA compliance included","Slack channel support"],"contactSales":true}],"addOns":[{"name":"HIPAA Compliance","components":[{"kind":"fixed","amount":16.99,"period":"month","currency":"USD"}]},{"name":"Technical Onboarding","components":[{"kind":"fixed","amount":16.99,"period":"month","currency":"USD"}]}],"summary":"Free tier with 2,000 participant minutes per month, or $9.99/month plus usage fees","currency":"USD","freeTier":true,"sourceUrl":"https://whereby.com/information/embedded/pricing","retrievedAt":"2026-10-05T12:43:25.779Z","startingPrice":{"amount":9.99,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | - | `{"amount":9.99,"currency":"USD"}` |
| pricing.transparent | no | yes |
| 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.sla_pct | - | 99.9 |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"Section 508 Compliance","status":"active","evidenceUrl":"https://mattermost.com"}]` | `[{"name":"ISO 27001","status":"active"}]` |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.pci | - | yes |
| security.scorecard | 7.3 | - |
| security.soc2 | - | yes |
| security.trust_center | https://mattermost.com/blog/trusted-device-authentication-101/ | https://whereby.com/information/security/vdp/hof/ |
| 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 | Mattermost | Whereby |
|---|:--:|:--:|
| **Modality** |  |  |
| Messaging | ✓ | ✓ |
| Video meetings | ✗ | ✓ |
| Whiteboard | ✗ | ✓ |
| **Meetings** |  |  |
| Screen sharing | ✓ | ✓ |
| Recording / transcription | Recording + AI notes | Recording |
| **Security** |  |  |
| End-to-end encryption | - | ✓ |
| SSO / SCIM | ✓ | - |
| **Access** |  |  |
| Guest / external access | ✓ | ✓ |
| **Compliance** |  |  |
| Compliance controls | ✓ | ✓ |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud only |
| **Scale** |  |  |
| Max participants | - | 200 |
| **Ecosystem** |  |  |
| App marketplace | ✓ | ✗ |
| Public API / bot framework | ✓ | ✓ |
| **Commercial** |  |  |
| Free tier | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T21:38:08.216Z. "-" = undocumented, not absent.*