Push Notification Services · reliability comparison

Expo Push Notifications vs Firebase Cloud Messaging: which is more reliable? (2026)

Expo Push Notifications and Firebase Cloud Messaging are effectively tied on reliability (90.8 vs 89.3). Over the last 90 days Expo Push Notifications reported 4 incidents and Firebase Cloud Messaging reported 1, with effective uptime of 99.93% and 99.91% respectively. Expo Push Notifications resolves incidents faster on average (2h 20m).

Data updated Nov 1, 2026 · How we score

MetricExpo Push NotificationsFirebase Cloud Messaging
Reliability score90.889.3
Rank (push notification services)#3#4
Uptime (90 days)99.93%99.91%
Incidents (90 days)41
Partial / major outages01
Avg time to resolve2h 20m3h 51m
Outages we detected00
Transparency score100/100100/100

Where Expo Push Notifications and Firebase Cloud Messaging differ

  • Expo Push Notifications reported 4× as many incidents as Firebase Cloud Messaging over the last 90 days (4 vs 1).
  • Firebase Cloud Messaging had 1 partial or major outage, compared with 0 for Expo Push Notifications.
  • Expo Push Notifications fixes problems faster: 2h 20m on average, against 3h 51m for Firebase Cloud Messaging.
  • Expo Push Notifications's longest incident on record lasted 4h 41m (Sep 8, 2026); Firebase Cloud Messaging's lasted 3d (Mar 8, 2026).

90-day uptime

Expo Push Notifications

Aug 4, 2026: 99.12% uptime, 1 incident (Degraded performance)Aug 5, 2026 – Sep 4, 2026: no incidentsSep 5, 2026: 99.36% uptime, 1 incident (Degraded performance)Sep 6, 2026 – Sep 7, 2026: no incidentsSep 8, 2026: 97.07% uptime, 1 incident (Degraded performance)Sep 9, 2026 – Oct 4, 2026: no incidentsOct 5, 2026: 98.61% uptime, 1 incident (Degraded performance)Oct 6, 2026 – Nov 1, 2026: no incidents
90 days ago99.935% average daily uptimeToday

Firebase Cloud Messaging

Aug 4, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 91.97% uptime, 1 incident (Partial outage)Sep 2, 2026 – Nov 1, 2026: no incidents
90 days ago99.910% average daily uptimeToday

Recent Expo Push Notifications incidents

Full Expo Push Notifications reliability report →

Recent Firebase Cloud Messaging incidents

Full Firebase Cloud Messaging reliability report →

Other push notification services to consider

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