Push Notification Services · reliability comparison
Courier vs Expo Push Notifications: which is more reliable? (2026)
Courier is more reliable than Expo Push Notifications, scoring 97.5 vs 90.8 out of 100. Over the last 90 days Courier reported 2 incidents and Expo Push Notifications reported 4, with effective uptime of 99.99% and 99.93% respectively. Courier resolves incidents faster on average (26m).
Data updated Nov 1, 2026 · How we score
| Metric | Courier | Expo Push Notifications |
|---|---|---|
| Reliability score | 97.5 | 90.8 |
| Rank (push notification services) | #2 | #3 |
| Uptime (90 days) | 99.99% | 99.93% |
| Incidents (90 days) | 2 | 4 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | 26m | 2h 20m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Courier and Expo Push Notifications differ
- Expo Push Notifications reported 2× as many incidents as Courier over the last 90 days (4 vs 2).
- Courier fixes problems faster: 26m on average, against 2h 20m for Expo Push Notifications (5.4× quicker).
- Courier's longest outage on record lasted 3h 7m (Feb 2, 2026); Expo Push Notifications's lasted 4h 41m (Sep 8, 2026).
90-day uptime
Courier
Expo Push Notifications
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Courier incidents
- Degraded performanceOct 10, 2026 · resolved in 15m
Affected: API
- Degraded performanceOct 9, 2026 · resolved in 37m
Affected: API
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
Other push notification services to consider
- Novu · #1 · 100% uptime
- Firebase Cloud Messaging · #4 · 99.91% uptime
- Batch · #5 · 99.83% uptime
- Airship · #6 · 99.81% uptime
See the full most reliable push notification services ranking →