Team Chat Apps · reliability comparison
Mattermost vs Webex Messaging: which is more reliable? (2026)
Mattermost is more reliable than Webex Messaging, scoring 100.0 vs 89.2 out of 100. Over the last 90 days Mattermost reported 0 incidents and Webex Messaging reported 1, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
VS
| Metric | Mattermost | Webex Messaging |
|---|---|---|
| Reliability score | 100.0 | 89.2 |
| Rank (team chat apps) | #3 | #9 |
| Uptime (90 days) | 100% | 100% |
| Incidents (90 days) | 0 | 1 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Mattermost and Webex Messaging differ
- Mattermost reported no incidents in the last 90 days, while Webex Messaging reported 1.
90-day uptime
Mattermost
Webex Messaging
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Mattermost incidents
No incidents reported by Mattermost in the last 90 days.
Recent Webex Messaging incidents
- Degraded performanceOct 30, 2026 · resolved (duration not published)