Rocket.Chat is an alternative
to Mattermost
$0/mo (Starter) vs Mattermost at — — covering 100% of the 9 compared capabilities.
Same job. Way less money.
Comparison scenario
Every cheaper-than claim is tied to a defined scenario — never a bare list price.
10 seats, monthly billing · USD · prices as observed on official pricing pages.
plan at —, the cheapest paid plan.
Starter: 0 USD/monthly.
We list 1 assessed alternative; Mattermost's own price is not verified yet, so no cheaper-than claim is made.
Capability comparison
Rocket.Chat covers 100% of the 9 capabilities compared against Mattermost. ✓ native · ◐ via integration · ✗ not found.
| Capability | Rocket.Chat | Mattermost |
|---|---|---|
| Channels & group messaging | ✓ | ✓ |
| Threaded conversations | ✓ | ✓ |
| Guest & external collaboration | ✓ | ✓ |
| SAML single sign-on | ✓ | ✓ |
| Self-hosted deployment | ✓ | ✓ |
| Compliance exports & audit logs | ✓ | ✓ |
| AI search & summaries | ✓ | ✓ |
| App integrations | ✓ | ✓ |
| Workflow automation | ✓ | ✓ |
Price at your volume
The same comparison recomputed at three sizes. Plan caps change who is cheapest.
| Scenario | Mattermost | Rocket.Chat |
|---|---|---|
| 3 seats | — | $0/mo (Starter) |
| 10 seats | — | $0/mo (Starter) |
| 25 seats | — | $0/mo (Starter) |
Plans & pricing, side by side
Advertised prices in USD as observed on the official pricing pages — per-seat and transaction-fee plans are marked.
| Starter | Free |
| Commercial | Contact sales |
| Government | Contact sales |
| Defense | Contact sales |
| Entry | Free |
| Professional | Contact sales |
| Enterprise | Contact sales |
| Enterprise Advanced | Contact sales |
Frequently asked
What does Rocket.Chat lack compared with Mattermost?
Nothing among the 9 capabilities we compared.
When were these prices checked?
Mattermost: 2026-09-07; Rocket.Chat: 2026-08-31 — on the official pricing pages.
Sources & freshness
- https://mattermost.com/pricing/ (official_pricing, checked 2026-09-07)
- https://mattermost.com/pricing/#skip-nav-target (official_pricing, checked 2026-09-07)
- Rocket.Chat data last verified 2026-08-31