Authentication Providers · reliability comparison

Firebase Authentication vs Supabase Auth: which is more reliable? (2026)

Firebase Authentication is more reliable than Supabase Auth, scoring 100.0 vs 28.7 out of 100. Over the last 90 days Firebase Authentication reported 0 incidents and Supabase Auth reported 39, with effective uptime of 100% and 95.55% respectively.

Data updated Nov 1, 2026 · How we score

MetricFirebase AuthenticationSupabase Auth
Reliability score100.028.7
Rank (authentication providers)—#9
Uptime (90 days)100%95.55%
Incidents (90 days)039
Partial / major outages010
Avg time to resolve—15h 2m
Outages we detected00
Transparency score100/100100/100

Where Firebase Authentication and Supabase Auth differ

  • Firebase Authentication reported no incidents in the last 90 days, while Supabase Auth reported 39.
  • Supabase Auth had 10 partial or major outages, compared with 0 for Firebase Authentication.

90-day uptime

Firebase Authentication

Aug 5, 2026 – Nov 2, 2026: no incidents
90 days ago100% average daily uptimeToday

Supabase Auth

Aug 5, 2026: 89.02% uptime, 1 incident (Degraded performance)Aug 6, 2026 – Aug 10, 2026: no incidentsAug 11, 2026: 97.57% uptime, 1 incident (Degraded performance)Aug 12, 2026 – Aug 13, 2026: no incidentsAug 14, 2026: 82.13% uptime, 2 incidents (Major outage)Aug 15, 2026: 85.00% uptime, 1 incident (Degraded performance)Aug 16, 2026: 85.00% uptime, 1 incident (Degraded performance)Aug 17, 2026: 98.28% uptime, 2 incidents (Partial outage)Aug 18, 2026: no incidentsAug 19, 2026: 92.99% uptime, 3 incidents (Degraded performance)Aug 20, 2026: 85.00% uptime, 2 incidents (Degraded performance)Aug 21, 2026: 85.00% uptime, 3 incidents (Degraded performance)Aug 22, 2026: 90.03% uptime, 2 incidents (Degraded performance)Aug 23, 2026: no incidentsAug 24, 2026: 92.95% uptime, 4 incidents (Partial outage)Aug 25, 2026: no incidentsAug 26, 2026: 91.30% uptime, 1 incident (Partial outage)Aug 27, 2026: 58.15% uptime, 2 incidents (Partial outage)Aug 28, 2026: 84.99% uptime, 2 incidents (Partial outage)Aug 29, 2026: 85.00% uptime, 1 incident (Degraded performance)Aug 30, 2026: 89.15% uptime, 1 incident (Degraded performance)Aug 31, 2026: 94.50% uptime, 1 incident (Partial outage)Sep 1, 2026: 92.40% uptime, 1 incident (Major outage)Sep 2, 2026 – Sep 3, 2026: no incidentsSep 4, 2026: 66.46% uptime, 1 incident (Major outage)Sep 5, 2026 – Sep 8, 2026: no incidentsSep 9, 2026: 99.99% uptime, 1 incident (Degraded performance)Sep 10, 2026: 82.16% uptime, 1 incident (Partial outage)Sep 11, 2026: 60.18% uptime, 2 incidents (Partial outage)Sep 12, 2026 – Sep 15, 2026: no incidentsSep 16, 2026: 91.76% uptime, 3 incidents (Partial outage)Sep 17, 2026 – Sep 18, 2026: no incidentsSep 19, 2026: 98.74% uptime, 1 incident (Degraded performance)Sep 20, 2026 – Sep 21, 2026: no incidentsSep 22, 2026: 98.72% uptime, 2 incidents (Degraded performance)Sep 23, 2026: 90.84% uptime, 3 incidents (Degraded performance)Sep 24, 2026: 92.46% uptime, 2 incidents (Degraded performance)Sep 25, 2026 – Sep 28, 2026: no incidentsSep 29, 2026: 95.27% uptime, 1 incident (Degraded performance)Sep 30, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 1, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 2, 2026: 89.72% uptime, 1 incident (Degraded performance)Oct 3, 2026 – Oct 5, 2026: no incidentsOct 6, 2026: 99.26% uptime, 2 incidents (Degraded performance)Oct 7, 2026 – Nov 2, 2026: no incidents
90 days ago95.713% average daily uptimeToday

Recent Firebase Authentication incidents

No incidents reported by Firebase Authentication in the last 90 days.

Full Firebase Authentication reliability report →

Recent Supabase Auth incidents

Full Supabase Auth reliability report →

Other authentication providers to consider

See the full most reliable authentication providers ranking →