Push Notification Services · reliability comparison
Knock vs Pushwoosh: which is more reliable? (2026)
Pushwoosh is more reliable than Knock, scoring 97.9 vs 60.8 out of 100. Over the last 90 days Knock reported 4 incidents and Pushwoosh reported 1, with effective uptime of 99.18% and 99.99% respectively. Pushwoosh resolves incidents faster on average (11m).
Data updated Nov 1, 2026 · How we score
| Metric | Knock | Pushwoosh |
|---|---|---|
| Reliability score | 60.8 | 97.9 |
| Rank (push notification services) | #10 | #2 |
| Uptime (90 days) | 99.18% | 99.99% |
| Incidents (90 days) | 4 | 1 |
| Partial / major outages | 4 | 1 |
| Avg time to resolve | 8h 49m | 11m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Knock and Pushwoosh differ
- Knock reported 4× as many incidents as Pushwoosh over the last 90 days (4 vs 1).
- Knock had 4 partial or major outages, compared with 1 for Pushwoosh.
- Pushwoosh fixes problems faster: 11m on average, against 8h 49m for Knock (49.5× quicker).
- Knock's longest outage on record lasted 1d 6h (Oct 1, 2026); Pushwoosh's lasted 42m (Jul 7, 2026).
90-day uptime
Knock
Pushwoosh
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Knock incidents
- Partial outageOct 29, 2026 · resolved in 1h 34m
Affected: In-app feeds and guides
- Partial outageOct 1, 2026 · resolved in 1d 6h
Warehouse message synchronization delayedofficial update ↗
Affected: Data warehouse synchronization
- Partial outageSep 21, 2026 · resolved in 1h 3m
Knock dashboard login magic links are unavailable
Affected: Dashboard
- Partial outageAug 31, 2026 · resolved in 1h 45m
Workflow processing and message delivery errors
Affected: Link and open tracking, Notification delivery
- MaintenanceJul 20, 2026 · ongoing
Queueing infrastructure maintenance
Affected: Webhook delivery, Notification delivery
Recent Pushwoosh incidents
- Partial outageSep 17, 2026 · resolved in 11m
Unable to send one-time push notifications from Control Panel
Affected: Control Panel
Other push notification services to consider
- Novu · #1 · 100% uptime
- Courier · #3 · 99.99% uptime
- Expo Push Notifications · #4 · 99.93% uptime
- Firebase Cloud Messaging · #5 · 99.91% uptime
See the full most reliable push notification services ranking →