Comparison

Lark vs Mattermost

On the evidence we track, Lark leads this comparison with a composite score of 77/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Lark full profile →Mattermost full profile →

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★Lark77

Mattermost59

Attribute comparison across 2 tools
Attribute	LarkLeader	Mattermost
Vioscale score	77 / 100low · 43%	59 / 100medium · 66%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	low
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	-	14
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	✓	✓
Scorecardsecurity.scorecard	-	7.3
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mattermost-redux&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	-	371
Github starsadoption.github_stars	-	38,909
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	1
Historyrelease.history	-	20 items
Language
Primarylanguage.primary	-	TypeScript
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US, CA, GB, EU, JP · HQ US

Score

Vioscale score

Lark77 / 100low · 43%

Mattermost59 / 100medium · 66%

Pricing

Free tier

Lark✓

Mattermost✓

Model

Larkfreemium

Mattermostcommercial

Price level

Larklow

Mattermostlow

Transparent

Lark✓

Mattermost✗

Integrations

Count

Lark–

Mattermost14

Security

Disclosure policy

Lark–

Mattermost✓

Gdpr

Lark✓

Mattermost✓

Scorecard

Lark–

Mattermost7.3

Vulnerabilities

Lark–

MattermostCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mattermost-redux&per_page=100 · Last 12m: 0

Reliability

Status page

Lark✓

Mattermost✓

Adoption

Dependent repos

Lark–

Mattermost371

Github stars

Lark–

Mattermost38,909

Activity

Commits last 30d

Lark–

Mattermost100

Release

Cadence days

Lark–

Mattermost1

History

Lark–

Mattermost20 items

Language

Primary

Lark–

MattermostTypeScript

Market

Availability

Lark–

MattermostAvailable worldwide · Popular in US, CA, GB, EU, JP · HQ US

Capabilities

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

Capability comparison for Collaboration Software
Capability	Lark	Mattermost
Modality
Messaging	✓	✓
Video meetings	✓	✗
Whiteboard	-	✗
Meetings
Screen sharing	-	✗
Recording / transcription	-	-
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	✓	✓

Modality

Messaging

Lark✓

Mattermost✓

Video meetings

Lark✓

Mattermost✗

Whiteboard

Lark-

Mattermost✗

Meetings

Screen sharing

Lark-

Mattermost✗

Recording / transcription

Lark-

Mattermost-

Security

End-to-end encryption

Lark-

Mattermost-

SSO / SCIM

Lark-

Mattermost✓

Access

Guest / external access

Lark-

Mattermost-

Compliance

Compliance controls

Lark-

Mattermost✓

Deployment

Hosting

LarkCloud only

MattermostCloud + self-hosted

Scale

Max participants

Lark-

Mattermost-

Ecosystem

App marketplace

Lark-

Mattermost✓

Public API / bot framework

Lark✓

Mattermost✓

Commercial

Free tier

Lark✓

Mattermost✓

What each one is

The product in its own terms, so the numbers below have context.

Lark

Leader

A single platform where teams can communicate, hold meetings, collaborate on documents, manage projects, and leverage AI to automate workflows and generate content.

Independently observed

Mattermost

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Lark

Leader

from $6/moSubscriptionFree tier

Free to $12/user/month. Free Starter tier. Annual billing saves 16.6%.

StarterFree
- Team collaboration
- 20 users max
- 100 GB storage
- 1-on-1 video meetings
- 18 months message history
- +4 more
Basic$6/user/month billed annually
- Team collaboration
- 500 users max
- 5 TB storage (expandable)
- 1-on-1 video meetings
- Unlimited message history
- +4 more
ProContact sales
- Team collaboration
- 500 users max
- 15 TB storage (expandable)
- 500-participant video meetings
- Unlimited message history
- +8 more
EnterpriseContact sales
- Team collaboration
- Unlimited users
- 15 TB + 30 GB per user storage (expandable)
- 500-participant video meetings
- Unlimited message history
- +10 more

as of 2026-08-03verify ↗

Mattermost

HybridFree tier

Free open-source tier available; commercial E10 and E20 enterprise editions

Open SourceFree
Enterprise E10-
Enterprise E20-

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Lark	Mattermost
WebPlatforms	✓	✓
iOSPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓
On-premiseDeployment	✗	✓
HybridDeployment	✗	✓

Platforms

Web

Lark✓

Mattermost✓

iOS

Lark✓

Mattermost✓

Deployment

Cloud / SaaS

Lark✓

Mattermost✓

Self-hosted

Lark✗

Mattermost✓

On-premise

Lark✗

Mattermost✓

Hybrid

Lark✗

Mattermost✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Lark

Leader

Not documented yet.

Mattermost

14 total

Slack
Git
Jenkins
GitLab
GitHub
Twitter
Bugzilla
RSS
Gerrit
Redmine
Mercurial
SVN
Threema
Pexip

Independently observed

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