Business Phone Systems · reliability comparison

Grasshopper vs Quo (formerly OpenPhone): which is more reliable? (2026)

Grasshopper is more reliable than Quo (formerly OpenPhone), scoring 94.6 vs 83.4 out of 100. Over the last 90 days Grasshopper reported 1 incident and Quo (formerly OpenPhone) reported 9, with effective uptime of 99.96% and 99.83% respectively. Quo (formerly OpenPhone) resolves incidents faster on average (1h 12m).

Data updated Nov 2, 2026 · How we score

MetricGrasshopperQuo (formerly OpenPhone)
Reliability score94.683.4
Rank (business phone systems)#1#5
Uptime (90 days)99.96%99.83%
Incidents (90 days)19
Partial / major outages14
Avg time to resolve1h 31m1h 12m
Outages we detected00
Transparency score100/100100/100

Where Grasshopper and Quo (formerly OpenPhone) differ

  • Quo (formerly OpenPhone) reported 9× as many incidents as Grasshopper over the last 90 days (9 vs 1).
  • Quo (formerly OpenPhone) had 4 partial or major outages, compared with 1 for Grasshopper.
  • Quo (formerly OpenPhone) fixes problems faster: 1h 12m on average, against 1h 31m for Grasshopper.
  • Grasshopper's longest outage on record lasted 23h 54m (Jan 22, 2026); Quo (formerly OpenPhone)'s lasted 3d (Jul 24, 2026).

90-day uptime

Grasshopper

Aug 5, 2026 – Aug 14, 2026: no incidentsAug 15, 2026: 96.84% uptime, 1 incident (Partial outage)Aug 16, 2026 – Nov 2, 2026: no incidents
90 days ago99.964% average daily uptimeToday

Quo (formerly OpenPhone)

Aug 5, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 96.83% uptime, 1 incident (Major outage)Aug 19, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 96.51% uptime, 1 incident (Partial outage)Sep 2, 2026 – Sep 16, 2026: no incidentsSep 17, 2026: 97.43% uptime, 2 incidents (Partial outage)Sep 18, 2026 – Sep 26, 2026: no incidentsSep 27, 2026: 98.70% uptime, 1 incident (Degraded performance)Sep 28, 2026 – Sep 30, 2026: no incidentsOct 1, 2026: 96.30% uptime, 1 incident (Major outage)Oct 2, 2026 – Oct 13, 2026: no incidentsOct 14, 2026: 99.25% uptime, 1 incident (Degraded performance)Oct 15, 2026 – Oct 16, 2026: no incidentsOct 17, 2026: 99.61% uptime, 2 incidents (Degraded performance)Oct 18, 2026 – Nov 2, 2026: no incidents
90 days ago99.829% average daily uptimeToday

Recent Grasshopper incidents

Full Grasshopper reliability report →

Recent Quo (formerly OpenPhone) incidents

Full Quo (formerly OpenPhone) reliability report →

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