Monitoring & Observability · reliability comparison

Sentry vs UptimeRobot: which is more reliable? (2026)

UptimeRobot is more reliable than Sentry, scoring 87.7 vs 54.9 out of 100. Over the last 90 days Sentry reported 23 incidents and UptimeRobot reported 7, with effective uptime of 98.93% and 99.93% respectively. UptimeRobot resolves incidents faster on average (25m).

Data updated Nov 1, 2026 · How we score

Sentry

54.9/100

Operational

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UptimeRobot

87.7/100

Operational

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VS
MetricSentryUptimeRobot
Reliability score54.987.7
Rank (monitoring & observability tools)#13#5
Uptime (90 days)98.93%99.93%
Incidents (90 days)237
Partial / major outages157
Avg time to resolve2h 21m25m
Outages we detected00
Transparency score100/100100/100

Where Sentry and UptimeRobot differ

  • Sentry reported 3.3× as many incidents as UptimeRobot over the last 90 days (23 vs 7).
  • Sentry had 15 partial or major outages, compared with 7 for UptimeRobot.
  • UptimeRobot fixes problems faster: 25m on average, against 2h 21m for Sentry (5.6× quicker).
  • Sentry's longest outage on record lasted 6h 18m (Aug 27, 2026); UptimeRobot's lasted 2h 41m (Aug 4, 2026).

90-day uptime

Sentry

Aug 4, 2026 – Aug 5, 2026: no incidentsAug 6, 2026: 95.07% uptime, 1 incident (Partial outage)Aug 7, 2026: 96.71% uptime, 1 incident (Major outage)Aug 8, 2026 – Aug 11, 2026: no incidentsAug 12, 2026: 91.78% uptime, 3 incidents (Partial outage)Aug 13, 2026: 90.28% uptime, 1 incident (Partial outage)Aug 14, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 99.59% uptime, 1 incident (Degraded performance)Aug 19, 2026 – Aug 24, 2026: no incidentsAug 25, 2026: 98.12% uptime, 1 incident (Degraded performance)Aug 26, 2026: 97.30% uptime, 1 incident (Degraded performance)Aug 27, 2026: 86.88% uptime, 1 incident (Partial outage)Aug 28, 2026 – Aug 30, 2026: no incidentsAug 31, 2026: 98.62% uptime, 1 incident (Degraded performance)Sep 1, 2026: 89.16% uptime, 2 incidents (Partial outage)Sep 2, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 97.42% uptime, 2 incidents (Partial outage)Sep 11, 2026 – Sep 17, 2026: no incidentsSep 18, 2026: 86.07% uptime, 2 incidents (Major outage)Sep 19, 2026 – Oct 5, 2026: no incidentsOct 6, 2026: 97.06% uptime, 1 incident (Major outage)Oct 7, 2026 – Oct 13, 2026: no incidentsOct 14, 2026: 94.66% uptime, 1 incident (Partial outage)Oct 15, 2026 – Oct 18, 2026: no incidentsOct 19, 2026: 96.30% uptime, 1 incident (Major outage)Oct 20, 2026: 93.13% uptime, 1 incident (Partial outage)Oct 21, 2026: 95.63% uptime, 2 incidents (Major outage)Oct 22, 2026 – Nov 1, 2026: no incidents
90 days ago98.931% average daily uptimeToday

UptimeRobot

Aug 4, 2026: 94.41% uptime, 1 incident (Partial outage)Aug 5, 2026 – Aug 28, 2026: no incidentsAug 29, 2026: 99.93% uptime, 1 incident (Partial outage)Aug 30, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 99.96% uptime, 1 incident (Partial outage)Sep 2, 2026: 99.96% uptime, 1 incident (Partial outage)Sep 3, 2026: 99.98% uptime, 1 incident (Partial outage)Sep 4, 2026 – Oct 5, 2026: no incidentsOct 6, 2026: 99.65% uptime, 1 incident (Partial outage)Oct 7, 2026 – Oct 25, 2026: no incidentsOct 26, 2026: 99.96% uptime, 1 incident (Partial outage)Oct 27, 2026 – Nov 1, 2026: no incidents
90 days ago99.931% average daily uptimeToday

Recent Sentry incidents

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Recent UptimeRobot incidents

Full UptimeRobot reliability report →

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