Restaurant POS · reliability comparison

Clover vs SkyTab (Shift4): which is more reliable? (2026)

Clover is more reliable than SkyTab (Shift4), scoring 87.8 vs 35.1 out of 100. Over the last 90 days Clover reported 6 incidents and SkyTab (Shift4) reported 14, with effective uptime of 99.88% and 97.40% respectively. Clover resolves incidents faster on average (1h 55m).

Data updated Nov 1, 2026 · How we score

MetricCloverSkyTab (Shift4)
Reliability score87.835.1
Rank (restaurant POS systems)#4#14
Uptime (90 days)99.88%97.40%
Incidents (90 days)614
Partial / major outages16
Avg time to resolve1h 55m14h 41m
Outages we detected00
Transparency score100/100100/100

Where Clover and SkyTab (Shift4) differ

  • SkyTab (Shift4) reported 2.3× as many incidents as Clover over the last 90 days (14 vs 6).
  • SkyTab (Shift4) had 6 partial or major outages, compared with 1 for Clover.
  • Clover fixes problems faster: 1h 55m on average, against 14h 41m for SkyTab (Shift4) (7.6× quicker).
  • Clover's longest outage on record lasted 7h 28m (Jul 7, 2026); SkyTab (Shift4)'s lasted 3d (Oct 25, 2026).

90-day uptime

Clover

Aug 4, 2026 – Aug 24, 2026: no incidentsAug 25, 2026: 99.27% uptime, 1 incident (Degraded performance)Aug 26, 2026 – Aug 29, 2026: no incidentsAug 30, 2026: 98.80% uptime, 1 incident (Degraded performance)Aug 31, 2026 – Sep 15, 2026: no incidentsSep 16, 2026: 97.92% uptime, 1 incident (Degraded performance)Sep 17, 2026 – Sep 21, 2026: no incidentsSep 22, 2026: 99.70% uptime, 1 incident (Degraded performance)Sep 23, 2026 – Oct 20, 2026: no incidentsOct 21, 2026: 94.26% uptime, 1 incident (Partial outage)Oct 22, 2026 – Nov 1, 2026: no incidents
90 days ago99.888% average daily uptimeToday

SkyTab (Shift4)

Aug 4, 2026 – Aug 22, 2026: no incidentsAug 23, 2026: 91.77% uptime, 1 incident (Major outage)Aug 24, 2026: 92.92% uptime, 1 incident (Partial outage)Aug 25, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 95.74% uptime, 1 incident (Major outage)Sep 11, 2026 – Sep 27, 2026: no incidentsSep 28, 2026: 98.67% uptime, 2 incidents (Degraded performance)Sep 29, 2026 – Oct 13, 2026: no incidentsOct 14, 2026: 99.77% uptime, 1 incident (Degraded performance)Oct 15, 2026: no incidentsOct 16, 2026: 98.41% uptime, 1 incident (Degraded performance)Oct 17, 2026 – Oct 21, 2026: no incidentsOct 22, 2026: 92.49% uptime, 2 incidents (Degraded performance)Oct 23, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 24, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 25, 2026: 66.51% uptime, 2 incidents (Partial outage)Oct 26, 2026: 50.00% uptime, 1 incident (Partial outage)Oct 27, 2026: 50.00% uptime, 1 incident (Partial outage)Oct 28, 2026: 63.61% uptime, 2 incidents (Major outage)Oct 29, 2026 – Oct 31, 2026: no incidentsNov 1, 2026: 96.41% uptime, 1 incident (Partial outage)
90 days ago97.403% average daily uptimeToday

Recent Clover incidents

Full Clover reliability report →

Recent SkyTab (Shift4) incidents

Full SkyTab (Shift4) reliability report →

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