vioscale
Comparison

Lark vs Zulip

On the evidence we track, Lark leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Lark full profile →Zulip full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Attribute comparison across 2 tools
Attribute80LarkLeader75Zulip
Vioscale score80 / 100low · 36%75 / 100low · 47%
Options{"cloud":true}{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}
LongUnified platform combining messaging, video meetings, documents, workflows, and project management. Brings teams, tools, and workflows into one place to work faster, save costs, and stay in sync.Organized team chat solution available as cloud-hosted or self-hosted, supporting small teams to thousands of users.
Capabilities{"hosting":"cloud","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"video_meetings":true,"max_participants":"500 for video meetings","compliance_controls":true,"recording_transcription":"recording_ai_notes"}{"hosting":"both","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"e2e_encryption":true,"video_meetings":true,"compliance_controls":true,"guest_external_access":true}
Support{"ios":true,"web":true}{"cli":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":true,"name":"Free (Cloud)","summary":"Free cloud tier","features":["10,000 messages of search history","File storage up to 5 GB total","Complete team chat solution","Hundreds of integrations","Advanced roles and permissions","Guest accounts"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Cloud free tier with 10,000 messages of search history and 5 GB total file storage","contactSales":false,"includedLimits":{"file_storage":"5 GB total","search_history":"10,000 messages"}},{"free":false,"name":"Standard (Cloud)","summary":"$6.67/user/month (billed annually) or $8/user/month (billed monthly)","features":["Unlimited search history","File storage up to 5 GB per user","Flexible permissions with custom groups","Message retention policies","Brand Zulip with your logo","Priority commercial support","Public access option"],"components":[{"kind":"per_unit","unit":"seat","amount":6.67,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":8,"period":"month","currency":"USD"}],"description":"Cloud Standard plan with unlimited search history and 5 GB per user storage","contactSales":false,"includedLimits":{"file_storage":"5 GB per user"}},{"free":false,"name":"Standard Plus (Cloud)","summary":"$10/user/month (billed annually) or $12/user/month (billed monthly); minimum 10 users","features":["All Standard plan features","File storage up to 25 GB per user","SSO with SAML (Okta, OneLogIn)","SCIM user and group sync","Custom domain","Limit user list access for guests","Priority commercial support"],"minSeats":10,"components":[{"kind":"per_unit","unit":"seat","amount":10,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":12,"period":"month","currency":"USD"}],"description":"Cloud Standard Plus with enhanced storage and SSO/SCIM support","contactSales":false,"includedLimits":{"file_storage":"25 GB per user"}},{"free":true,"name":"Free (Self-hosted)","summary":"Free for grassroots, open-source, academic, non-profit, and community use","features":["Complete team chat solution with all Zulip features","Mobile notifications without limitation for eligible communities","Mobile notifications for up to 10 users for other organizations"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Self-hosted free tier for eligible communities","contactSales":false},{"free":false,"name":"Basic (Self-hosted)","summary":"$3.50/user/month; 85%+ discount for non-workplace users; $20/month off first year","features":["Complete team chat solution with all Zulip features","Unlimited mobile notifications","Support Zulip's open-source development"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"seat","amount":3.5,"period":"month","currency":"USD"}],"description":"Self-hosted Basic plan for small teams","contactSales":false},{"free":false,"name":"Business (Self-hosted)","summary":"$6.67/user/month (billed annually) or $8/user/month (billed monthly); minimum 25 users; $20/month off first year","features":["Complete team chat solution with all Zulip features","Unlimited mobile notifications","Email and chat support","SSO with SAML and Microsoft Entra ID","AD/LDAP user sync","Guests with configurable access","Full and compliance data exports","Data retention policies"],"minSeats":25,"components":[{"kind":"per_unit","unit":"seat","amount":6.67,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":8,"period":"month","currency":"USD"}],"description":"Self-hosted Business plan for larger organizations","contactSales":false},{"free":false,"name":"Enterprise (Self-hosted)","summary":"Contact sales for pricing","features":["Complete team chat solution with all Zulip features","Unlimited mobile notifications","Email, chat and phone support","SSO with OpenID Connect","AD/LDAP, SAML and OpenID Connect group sync","SCIM user and group sync","Implementation consulting","Custom feature development","Advanced deployment options"],"description":"Self-hosted Enterprise plan with maximum customization and support","contactSales":true}],"summary":"From $3.50/user/month (self-hosted Basic) to $12/user/month (cloud Standard Plus). Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://zulip.com","retrievedAt":"2026-08-03T14:29:32.487Z","startingPrice":{"amount":3.5,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}
Free tierYesYes
Modelfreemiumcommercial
Price levellowlow
Starting gbp63.5
TransparentYesYes
Status pageYesYes
Disclosure policy-Yes
GdprYesYes
Hipaa-Yes

Capabilities

Feature-by-feature on the axes that matter for collaboration software. “-” means undocumented, not absent.

Capability comparison for Collaboration Software
CapabilityLarkZulip
Modality
Messaging✓✓
Video meetings✓✓
Whiteboard--
Meetings
Screen sharing--
Recording / transcriptionRecording + AI notes-
Security
End-to-end encryption-✓
SSO / SCIM✓✓
Access
Guest / external access-✓
Compliance
Compliance controls✓✓
Deployment
HostingCloud onlyCloud + self-hosted
Scale
Max participants500 for video meetings-
Ecosystem
App marketplace--
Public API / bot framework✓✓
Commercial
Free tier✓✓

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.