Push Notification Services · reliability comparison
Knock vs OneSignal: which is more reliable? (2026)
OneSignal is more reliable than Knock, scoring 77.2 vs 60.8 out of 100. Over the last 90 days Knock reported 4 incidents and OneSignal reported 5, with effective uptime of 99.18% and 99.75% respectively. OneSignal resolves incidents faster on average (5h 34m).
Data updated Nov 1, 2026 · How we score
| Metric | Knock | OneSignal |
|---|---|---|
| Reliability score | 60.8 | 77.2 |
| Rank (push notification services) | #9 | #8 |
| Uptime (90 days) | 99.18% | 99.75% |
| Incidents (90 days) | 4 | 5 |
| Partial / major outages | 4 | 3 |
| Avg time to resolve | 8h 49m | 5h 34m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Knock and OneSignal differ
- OneSignal reported 25% more incidents than Knock over the last 90 days (5 vs 4).
- Knock had 4 partial or major outages, compared with 3 for OneSignal.
- OneSignal fixes problems faster: 5h 34m on average, against 8h 49m for Knock.
- Knock's longest outage on record lasted 1d 6h (Oct 1, 2026); OneSignal's lasted 2h 4m (Aug 4, 2026).
90-day uptime
Knock
OneSignal
- 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 delayed
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 OneSignal incidents
- Degraded performanceOct 14, 2026 · resolved in 1d
Affected: Email, Integrations, APIs & SDK Endpoints, SMS, In-App Messages, Push +2 more
- Degraded performanceSep 30, 2026 · resolved in 24m
Database incident - impacting app IDs starting with e
Affected: Dashboard / UI, APIs & SDK Endpoints
- Partial outageSep 22, 2026 · resolved in 26m
Subscription API - Creation Failures
Affected: APIs & SDK Endpoints
- Partial outageSep 18, 2026 · resolved in 34m
Intermittent errors on /api/v1/notifications api
Affected: APIs & SDK Endpoints
- Partial outageAug 4, 2026 · resolved in 2h 4m
Apple push notifications failing in about 3% of cases
Affected: Push
Other push notification services to consider
- Novu · #1 · 100% uptime
- Courier · #2 · 99.99% uptime
- Expo Push Notifications · #3 · 99.93% uptime
- Firebase Cloud Messaging · #4 · 99.91% uptime
See the full most reliable push notification services ranking →