Team Chat Apps · reliability comparison
Microsoft Teams vs Zulip: which is more reliable? (2026)
Microsoft Teams and Zulip are effectively tied on reliability (100.0 vs 100.0). Over the last 90 days Microsoft Teams reported 0 incidents and Zulip reported 0, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Microsoft Teams | Zulip |
|---|---|---|
| Reliability score | 100.0 | 100.0 |
| Rank (team chat apps) | — | #6 |
| 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
Microsoft Teams
Zulip
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Microsoft Teams incidents
No incidents reported by Microsoft Teams in the last 90 days.
Recent Zulip incidents
No incidents reported by Zulip in the last 90 days.
Other team chat apps to consider
- Element · #1 · 100% uptime
- Flock · #2 · 100% uptime
- Mattermost · #3 · 100% uptime
- Rocket.Chat · #4 · 100% uptime