Push Notification Services · reliability comparison
Expo Push Notifications vs Knock: which is more reliable? (2026)
Expo Push Notifications is more reliable than Knock, scoring 90.8 vs 60.8 out of 100. Over the last 90 days Expo Push Notifications reported 4 incidents and Knock reported 4, with effective uptime of 99.93% and 99.18% respectively. Expo Push Notifications resolves incidents faster on average (2h 20m).
Data updated Nov 2, 2026 · How we score
| Metric | Expo Push Notifications | Knock |
|---|---|---|
| Reliability score | 90.8 | 60.8 |
| Rank (push notification services) | #3 | #10 |
| Uptime (90 days) | 99.93% | 99.18% |
| Incidents (90 days) | 4 | 4 |
| Partial / major outages | 0 | 4 |
| Avg time to resolve | 2h 20m | 8h 49m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Expo Push Notifications and Knock differ
- Knock had 4 partial or major outages, compared with 0 for Expo Push Notifications.
- Expo Push Notifications fixes problems faster: 2h 20m on average, against 8h 49m for Knock (3.8× quicker).
- Expo Push Notifications's longest incident on record lasted 4h 41m (Sep 8, 2026); Knock's lasted 1d 6h (Oct 1, 2026).
90-day uptime
Expo Push Notifications
Knock
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Expo Push Notifications incidents
- Degraded performanceOct 5, 2026 · resolved in 2h 13m
Website and services partially unavailable due to high database load
Affected: Website, Dev Tools API, Push Notifications Broker
- Degraded performanceSep 8, 2026 · resolved in 4h 41m
iOS push notification degraded performance
Affected: Push Notifications Broker
- Degraded performanceSep 5, 2026 · resolved in 1h 1m
Delayed iOS push notification delivery
Affected: Push Notifications Broker
- Degraded performanceAug 4, 2026 · resolved in 1h 24m
iOS Push Notifications partial outage
Affected: Push Notifications Broker
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
Other push notification services to consider
- Novu · #1 · 100% uptime
- Courier · #2 · 99.99% uptime
- Firebase Cloud Messaging · #4 · 99.91% uptime
- Pushwoosh · #5 · 99.98% uptime
See the full most reliable push notification services ranking →