Team Chat Apps · reliability comparison
Flock vs Zulip: which is more reliable? (2026)
Flock and Zulip are effectively tied on reliability (100.0 vs 100.0). Over the last 90 days Flock reported 0 incidents and Zulip reported 0, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Flock | Zulip |
|---|---|---|
| Reliability score | 100.0 | 100.0 |
| Rank (team chat apps) | #2 | #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 |
Where Flock and Zulip differ
- Flock's longest incident on record lasted 3h (Jul 9, 2026); Zulip's lasted 3h 55m (Mar 26, 2026).
90-day uptime
Flock
Zulip
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Flock incidents
No incidents reported by Flock 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
- Mattermost · #3 · 100% uptime
- Twist · #4 · 100% uptime
- Ryver · #6 · 100% uptime