Push Notification Services · reliability comparison

Firebase Cloud Messaging vs Pushwoosh: which is more reliable? (2026)

Pushwoosh is more reliable than Firebase Cloud Messaging, scoring 97.9 vs 89.3 out of 100. Over the last 90 days Firebase Cloud Messaging reported 1 incident and Pushwoosh reported 1, with effective uptime of 99.91% and 99.99% respectively. Pushwoosh resolves incidents faster on average (11m).

Data updated Nov 1, 2026 · How we score

MetricFirebase Cloud MessagingPushwoosh
Reliability score89.397.9
Rank (push notification services)#5#2
Uptime (90 days)99.91%99.99%
Incidents (90 days)11
Partial / major outages11
Avg time to resolve3h 51m11m
Outages we detected00
Transparency score100/100100/100

Where Firebase Cloud Messaging and Pushwoosh differ

  • Pushwoosh fixes problems faster: 11m on average, against 3h 51m for Firebase Cloud Messaging (21.6× quicker).
  • Firebase Cloud Messaging's longest outage on record lasted 3d (Mar 8, 2026); Pushwoosh's lasted 42m (Jul 7, 2026).

90-day uptime

Firebase Cloud Messaging

Aug 5, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 91.97% uptime, 1 incident (Partial outage)Sep 2, 2026 – Nov 2, 2026: no incidents
90 days ago99.910% average daily uptimeToday

Pushwoosh

Aug 5, 2026 – Sep 16, 2026: no incidentsSep 17, 2026: 99.62% uptime, 1 incident (Partial outage)Sep 18, 2026 – Nov 2, 2026: no incidents
90 days ago99.995% average daily uptimeToday

Recent Firebase Cloud Messaging incidents

Full Firebase Cloud Messaging reliability report →

Recent Pushwoosh incidents

Full Pushwoosh reliability report →

Other push notification services to consider

See the full most reliable push notification services ranking →