Push Notification Services · reliability comparison
Expo Push Notifications vs OneSignal: which is more reliable? (2026)
Expo Push Notifications is more reliable than OneSignal, scoring 90.8 vs 77.2 out of 100. Over the last 90 days Expo Push Notifications reported 4 incidents and OneSignal reported 5, with effective uptime of 99.93% and 99.75% respectively. Expo Push Notifications resolves incidents faster on average (2h 20m).
Data updated Nov 1, 2026 · How we score
| Metric | Expo Push Notifications | OneSignal |
|---|---|---|
| Reliability score | 90.8 | 77.2 |
| Rank (push notification services) | #3 | #8 |
| Uptime (90 days) | 99.93% | 99.75% |
| Incidents (90 days) | 4 | 5 |
| Partial / major outages | 0 | 3 |
| Avg time to resolve | 2h 20m | 5h 34m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Expo Push Notifications and OneSignal differ
- OneSignal reported 25% more incidents than Expo Push Notifications over the last 90 days (5 vs 4).
- OneSignal had 3 partial or major outages, compared with 0 for Expo Push Notifications.
- Expo Push Notifications fixes problems faster: 2h 20m on average, against 5h 34m for OneSignal (2.4× quicker).
- Expo Push Notifications's longest incident on record lasted 4h 41m (Sep 8, 2026); OneSignal's lasted 2h 4m (Aug 4, 2026).
90-day uptime
Expo Push Notifications
OneSignal
- 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 OneSignal incidents
- Degraded performanceOct 14, 2026 · resolved in 1d
Affected: In-App Messages, Push, Analytics & Reporting, Dashboard / UI, Email, Integrations +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
Other push notification services to consider
- Novu · #1 · 100% uptime
- Courier · #2 · 99.99% uptime
- Firebase Cloud Messaging · #4 · 99.91% uptime
- Batch · #5 · 99.83% uptime
See the full most reliable push notification services ranking →