Push Notification Services · reliability comparison
OneSignal vs Pushwoosh: which is more reliable? (2026)
Pushwoosh is more reliable than OneSignal, scoring 97.9 vs 77.2 out of 100. Over the last 90 days OneSignal reported 5 incidents and Pushwoosh reported 1, with effective uptime of 99.75% and 99.99% respectively. Pushwoosh resolves incidents faster on average (11m).
Data updated Nov 2, 2026 · How we score
| Metric | OneSignal | Pushwoosh |
|---|---|---|
| Reliability score | 77.2 | 97.9 |
| Rank (push notification services) | #9 | #2 |
| Uptime (90 days) | 99.75% | 99.99% |
| Incidents (90 days) | 5 | 1 |
| Partial / major outages | 3 | 1 |
| Avg time to resolve | 5h 34m | 11m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where OneSignal and Pushwoosh differ
- OneSignal reported 5× as many incidents as Pushwoosh over the last 90 days (5 vs 1).
- OneSignal had 3 partial or major outages, compared with 1 for Pushwoosh.
- Pushwoosh fixes problems faster: 11m on average, against 5h 34m for OneSignal (31.2× quicker).
- OneSignal's longest outage on record lasted 2h 4m (Aug 4, 2026); Pushwoosh's lasted 42m (Jul 7, 2026).
90-day uptime
OneSignal
Pushwoosh
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent OneSignal incidents
- Degraded performanceOct 14, 2026 · resolved in 1d
Affected: Dashboard / UI, Email, Integrations, APIs & SDK Endpoints, SMS, In-App Messages +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 casesofficial update ↗
Affected: Push
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 →