Team Chat Apps · reliability comparison
Mattermost vs Rocket.Chat: which is more reliable? (2026)
Mattermost and Rocket.Chat are effectively tied on reliability (100.0 vs 100.0). Over the last 90 days Mattermost reported 0 incidents and Rocket.Chat reported 0, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
VS
| Metric | Mattermost | Rocket.Chat |
|---|---|---|
| Reliability score | 100.0 | 100.0 |
| Rank (team chat apps) | #3 | #4 |
| Uptime (90 days) | 100% | 100% |
| Incidents (90 days) | 0 | 0 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Mattermost and Rocket.Chat differ
- Mattermost's longest incident on record lasted 21h 40m (Feb 26, 2026); Rocket.Chat's lasted 1h 44m (Nov 18, 2025).
90-day uptime
Mattermost
Rocket.Chat
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Mattermost incidents
No incidents reported by Mattermost in the last 90 days.
Recent Rocket.Chat incidents
No incidents reported by Rocket.Chat in the last 90 days.