# Mattermost vs Whereby

**Leader by Vioscale score:** Whereby

| Attribute | Mattermost | Whereby |
|---|---|---|
| **Vioscale score** | 59.2 (66% (medium)) | 85.5 (72% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 371 | - |
| adoption.github_stars | 38,909 | - |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Mattermost is an open-source messaging and collaboration platform designed for organizations requiring data sovereignty, self-hosting control, and mission-critical availability. It integrates with external tools and workflows, supports high-availability deployments, and serves government, defense, and enterprise customers needing secure, compliant operations. | Whereby provides secure video calling with built-in compliance (HIPAA, GDPR, ISO 27001) for telehealth, education, and general business use. Available as a managed service for individuals/teams or as an embedded API for product builders. |
| features.capabilities | `{"hosting":"both","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"whiteboard":false,"screen_sharing":false,"video_meetings":false,"app_marketplace":true,"compliance_controls":true}` | `{"hosting":"cloud","free_tier":true,"messaging":true,"api_access":true,"whiteboard":true,"e2e_encryption":true,"screen_sharing":true,"video_meetings":true,"app_marketplace":false,"max_participants":"200","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording"}` |
| integrations.count | 14 | 7 |
| 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":"Google Calendar"},{"name":"Microsoft Outlook"},{"name":"Google Docs"},{"name":"Trello"},{"name":"YouTube"},{"name":"Slack"},{"name":"Chrome"}]` |
| language.primary | TypeScript | - |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US","CA","GB","EU","JP"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"NO","primaryMarkets":["EU","US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source","description":"Self-hosted open-source version"},{"free":false,"name":"Enterprise E10","description":"Commercial enterprise version","contactSales":false},{"free":false,"name":"Enterprise E20","description":"Commercial enterprise version","contactSales":false}],"summary":"Free open-source tier available; commercial E10 and E20 enterprise editions","freeTier":true,"sourceUrl":"https://mattermost.com","retrievedAt":"2026-08-14T13:38:41.844Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Explore","summary":"Free tier with 2,000 participant minutes/mo and limited features","features":["Up to 2,000 participant minutes/mo","Video calls","Chat","Screensharing","Waiting rooms","Background effects","Breakout groups","Insights suite (analytics)","Limited white labelling","Developer community","99.9% availability"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Test the API for free with limited features","contactSales":false,"includedLimits":{"active_videos":"24","max_participants":"200","participant_minutes":"2,000/mo"}},{"free":false,"name":"Build","summary":"$9.99/mo base + usage metering for participants, recording, and transcription","features":["2,000 included participant minutes/mo","Additional participant minutes at $0.004/min","Cloud recording at $0.01/min","Session transcriptions from $0.0065/unmuted min","Live captions from $0.0065/unmuted min","Recording transcriptions at $0.024/min","Live streaming at $0.01/min","30 GB days included monthly storage","Additional storage at $0.0015/GB day","Custom branding","File sharing","Chat","Screensharing","Waiting rooms","Background effects","Breakout groups","Insights suite (analytics)","Remove Whereby branding","Email support (response in 3 business days)","Developer community","99.9% availability"],"commitment":"monthly","components":[{"kind":"fixed","amount":9.99,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"participant minute"},"kind":"metered","amount":0.004,"currency":"USD"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":1,"unit":"unmuted participant minute"},"kind":"metered","amount":0.0065,"currency":"USD"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.024,"currency":"USD"},{"per":{"qty":1,"unit":"GB day"},"kind":"metered","amount":0.0015,"currency":"USD"}],"description":"Self-service plan for SMBs and proof-of-concepts with usage-based metering","contactSales":false,"includedLimits":{"storage":"30 GB days/mo","active_videos":"24","max_participants":"200","participant_minutes":"2,000/mo"}},{"free":false,"name":"Enterprise","summary":"Custom pricing with volume discounts and dedicated support","features":["Custom participant minute allowances","Volume discounts","Early access to new features","Implementation support","Technical Success Manager","HIPAA compliance included","Slack channel support (response in 1 business day)","All Build plan features","99.9% availability"],"description":"Custom pricing and support for large-scale deployments","contactSales":true}],"addOns":[{"name":"HIPAA Compliance","components":[{"kind":"fixed","amount":16.99,"period":"month","currency":"USD"}]}],"summary":"From $9.99/mo for Build plan with 2,000 included participant minutes. Free tier available. Usage-based metering for recording, transcription, and overage minutes.","currency":"USD","freeTier":true,"sourceUrl":"https://whereby.com/information/embedded/pricing","retrievedAt":"2026-08-13T22:39:07.935Z","startingPrice":{"amount":0.0015,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | low |
| pricing.transparent | no | yes |
| release.cadence_days | 1 | - |
| release.history | `[{"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"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.0","date":"2026-08-04T09:43:25Z","type":"stable","version":"v11.10.0"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.0-rc3","date":"2026-08-04T08:18:23Z","type":"prerelease","version":"v11.10.0-rc3"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v10.11.23","date":"2026-08-13T05:23:26Z","type":"stable","version":"v10.11.23"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v10.11.23-rc1","date":"2026-08-07T07:57:15Z","type":"prerelease","version":"v10.11.23-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.8","date":"2026-07-31T09:56:39Z","type":"stable","version":"v11.7.8"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.0-rc2","date":"2026-07-30T06:32:31Z","type":"prerelease","version":"v11.10.0-rc2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.0-rc1","date":"2026-07-17T12:39:50Z","type":"prerelease","version":"v11.10.0-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.8.4","date":"2026-07-17T07:13:55Z","type":"stable","version":"v11.8.4"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.7","date":"2026-07-17T06:46:06Z","type":"stable","version":"v11.7.7"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v10.11.22","date":"2026-07-17T05:24:43Z","type":"stable","version":"v10.11.22"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.9.0","date":"2026-07-08T06:02:46Z","type":"stable","version":"v11.9.0"}]` | - |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | yes | yes |
| 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.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 |
| **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: Vioscale. Generated 2026-09-01T15:16:07.152Z. "-" = undocumented, not absent.*