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