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Mattermost vs Thena

Updated June 2026 · A structured head-to-head comparison.

Open-source, self-hosted team chat.

B2B support over Slack and Teams.

The verdict

Both Mattermost and Thena are credible team chat tools, and the right pick comes down to your priorities.

Choose Mattermost if you want a lower starting price (free – $10/user/mo), a free plan to start on and broader platform coverage. Open-source, self-hosted team chat.

Choose Thena if you'd rather have a higher overall rating (4.7/5). B2B support over Slack and Teams.

Mattermost vs Thena: side by side

DimensionMattermostThena
Starting priceFree – $10/user/moWinnerFrom $40/seat/mo
Free planYesWinnerNo
Pricing modelFreemiumSubscription
Best forEnterprise, Government, Devops TeamsB2b, Saas
PlatformsWeb, Windows, Mac, Linux, Ios, Android, Self HostedWinnerWeb, Api
Rating4.3/54.7/5Winner

Mattermost key facts

Vendor
Mattermost
Pricing
Freemium — Free – $10/user/mo
Free tier
Yes
Platforms
Web, Windows, Mac, Linux, Ios, Android, Self Hosted
Best for
Enterprise, Government, Devops Teams
Editor rating
4.3 / 5
Founded
2016
Headquarters
Palo Alto, CA, USA

Thena key facts

Vendor
Thena
Pricing
Subscription — From $40/seat/mo
Free tier
No
Platforms
Web, Api
Best for
B2b, Saas
Editor rating
4.7 / 5
Founded
2022
Headquarters
San Francisco, CA, USA

Frequently asked questions

Is Mattermost better than Thena?

Neither is universally better — Thena edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is Mattermost or Thena cheaper?

Mattermost is the more affordable of the two to get started, at free – $10/user/mo. Mattermost starts at free – $10/user/mo; Thena starts at from $40/seat/mo.

Can Mattermost replace Thena?

Yes for most teams — both are team chat tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.