Team Chat Apps · reliability comparison
Mattermost vs Microsoft Teams: which is more reliable? (2026)
Mattermost and Microsoft Teams are effectively tied on reliability (100.0 vs 100.0). Over the last 90 days Mattermost reported 0 incidents and Microsoft Teams reported 0, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
VS
| Metric | Mattermost | Microsoft Teams |
|---|---|---|
| Reliability score | 100.0 | 100.0 |
| Rank (team chat apps) | #3 | — |
| 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 |
90-day uptime
Mattermost
Microsoft Teams
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Mattermost incidents
No incidents reported by Mattermost in the last 90 days.
Recent Microsoft Teams incidents
No incidents reported by Microsoft Teams in the last 90 days.
Other team chat apps to consider
- Element · #1 · 100% uptime
- Flock · #2 · 100% uptime
- Rocket.Chat · #4 · 100% uptime
- Twist · #5 · 100% uptime