Google Chat vs Mattermost (2026 comparison)
Google Chat and Mattermost are both team chat apps. Google Chat is best for chat tied to Google Workspace (free with a Google account; more via Google Workspace). Mattermost is best for self-hosted, open-source team messaging (free limited self-hosted edition, Cloud free for up to 10 users; paid Professional from about $10 per user per month, Enterprise quote-based).
Pricing and features verified against each vendor's published information on 2026-09-03. Sources linked below.
At a glance
| Feature | Google Chat | Mattermost |
|---|---|---|
| Free plan | Yes | Yes |
| Pricing from | Free with a Google account; more via Google Workspace | Free limited self-hosted edition, Cloud free for up to 10 users; paid Professional from about $10 per user per month, Enterprise quote-based |
| Best for | chat tied to Google Workspace | self-hosted, open-source team messaging |
| Founded | 2017 | 2016 |
| Platforms | Web, iOS, Android | Web, iOS, Android, Mac, Windows, Linux |
Quick verdict
Choose Google Chat for chat tied to Google Workspace. Choose Mattermost for self-hosted, open-source team messaging. Both are compared on published information only, so confirm current pricing at each source below.
More options
Sources
FAQ
- Is Google Chat or Mattermost cheaper?
- As published, Google Chat starts at Free with a Google account; more via Google Workspace and Mattermost starts at Free limited self-hosted edition, Cloud free for up to 10 users; paid Professional from about $10 per user per month, Enterprise quote-based. Verify current pricing at each vendor.
- Does Google Chat have a free plan?
- Yes, Google Chat has a free plan as of 2026-09-03.