Business Phone Systems · reliability comparison

CloudTalk vs JustCall: which is more reliable? (2026)

JustCall is more reliable than CloudTalk, scoring 93.4 vs 89.6 out of 100. Over the last 90 days CloudTalk reported 2 incidents and JustCall reported 4, with effective uptime of 99.91% and 99.96% respectively. JustCall resolves incidents faster on average (1h 18m).

Data updated Nov 1, 2026 · How we score

CloudTalk

89.6/100

Operational

Visit CloudTalk ↗

JustCall

93.4/100

Operational

Visit JustCall ↗
VS
MetricCloudTalkJustCall
Reliability score89.693.4
Rank (business phone systems)#3#2
Uptime (90 days)99.91%99.96%
Incidents (90 days)24
Partial / major outages10
Avg time to resolve3h 33m1h 18m
Outages we detected00
Transparency score100/100100/100

Where CloudTalk and JustCall differ

  • JustCall reported 2× as many incidents as CloudTalk over the last 90 days (4 vs 2).
  • CloudTalk had 1 partial or major outage, compared with 0 for JustCall.
  • JustCall fixes problems faster: 1h 18m on average, against 3h 33m for CloudTalk (2.7× quicker).
  • CloudTalk's longest outage on record lasted 1d 20h (Nov 10, 2025); JustCall's lasted 12m (Mar 9, 2026).

90-day uptime

CloudTalk

Aug 4, 2026 – Oct 12, 2026: no incidentsOct 13, 2026: 92.61% uptime, 1 incident (Partial outage)Oct 14, 2026 – Nov 1, 2026: no incidents
90 days ago99.917% average daily uptimeToday

JustCall

Aug 4, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 97.88% uptime, 1 incident (Degraded performance)Aug 19, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 99.69% uptime, 1 incident (Degraded performance)Sep 2, 2026 – Oct 21, 2026: no incidentsOct 22, 2026: 99.59% uptime, 1 incident (Degraded performance)Oct 23, 2026 – Oct 26, 2026: no incidentsOct 27, 2026: 99.57% uptime, 1 incident (Degraded performance)Oct 28, 2026 – Nov 1, 2026: no incidents
90 days ago99.963% average daily uptimeToday

Recent CloudTalk incidents

Full CloudTalk reliability report →

Recent JustCall incidents

Full JustCall reliability report →

Other business phone systems to consider

See the full most reliable business phone systems ranking →