Lark vs Mattermost: Complete Comparison (2026)
In comparing Lark and Mattermost in 2026, Lark is the stronger choice for international teams wanting an all-in-one collaboration suite due to generous free tier. Mattermost excels for enterprises needing data sovereignty and self-hosting with full data control. Lark offers Chat and channels, Collaborative docs, Video meetings starting at $12/user/mo with a free plan. Mattermost provides Self-hosted deployment, Channels, DevOps integrations from $10/user/mo (cloud) with a free tier. For teams prioritizing value, Lark delivers a hiltonsoftware Score of 80/100. Lark and Mattermost compete in the team communication segment of the SaaS market, where cloud-native solutions, API integrations, and workflow automation drive enterprise and SMB adoption. Other leading team communication tools include Slack, Microsoft Teams, Discord. Lark serves 30M+ users globally (founded 2016) while Mattermost reports 800K+ active users (founded 2015).
Lark vs Mattermost at a Glance
What are the main differences between Lark and Mattermost?
Lark and Mattermost differ across ease of use, features, value, support, integrations, scalability, and learning curve. Lark leads in 5 of 7 categories.
What are the pros and cons of Lark vs Mattermost?
Which is better, Lark or Mattermost?
After evaluating Lark and Mattermost across features, pricing, integrations, and user satisfaction, Lark earns a higher hiltonsoftware Score of 80/100 versus Mattermost at 74/100. Lark stands out for "generous free tier" and "integrated docs and meetings". Mattermost delivers competitive advantages in "full data control", making Mattermost a viable alternative.
Both Lark and Mattermost offer free plans. Lark paid plans start at $12/user/mo while Mattermost begins at $10/user/mo (cloud). ROI depends on which features justify upgrading.
Bottom line: Choose Lark for international teams wanting an all-in-one collaboration suite. Choose Mattermost for enterprises needing data sovereignty and self-hosting. Both Lark and Mattermost are established team communication platforms.
International teams wanting an all-in-one collaboration suite.
Enterprises needing data sovereignty and self-hosting.
Lark vs Mattermost: Frequently Asked Questions
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Reviewed by Alex Chen, SaaS & Productivity Analyst. Last updated: 2026-04-24. Pricing verified: March 2026.
Read our scoring methodology to understand how the hiltonsoftware Score is calculated.