Restaurant POS · reliability comparison
SkyTab (Shift4) vs Square for Restaurants: which is more reliable? (2026)
Square for Restaurants is more reliable than SkyTab (Shift4), scoring 53.3 vs 35.1 out of 100. Over the last 90 days SkyTab (Shift4) reported 14 incidents and Square for Restaurants reported 13, with effective uptime of 97.40% and 98.92% respectively. Square for Restaurants resolves incidents faster on average (11h 54m).
Data updated Nov 2, 2026 · How we score
| Metric | SkyTab (Shift4) | Square for Restaurants |
|---|---|---|
| Reliability score | 35.1 | 53.3 |
| Rank (restaurant POS systems) | #15 | #12 |
| Uptime (90 days) | 97.40% | 98.92% |
| Incidents (90 days) | 14 | 13 |
| Partial / major outages | 6 | 0 |
| Avg time to resolve | 14h 41m | 11h 54m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where SkyTab (Shift4) and Square for Restaurants differ
- SkyTab (Shift4) reported 8% more incidents than Square for Restaurants over the last 90 days (14 vs 13).
- SkyTab (Shift4) had 6 partial or major outages, compared with 0 for Square for Restaurants.
- Square for Restaurants fixes problems faster: 11h 54m on average, against 14h 41m for SkyTab (Shift4).
- SkyTab (Shift4)'s longest outage on record lasted 3d (Oct 25, 2026); Square for Restaurants's lasted 17h 43m (Apr 30, 2026).
90-day uptime
SkyTab (Shift4)
Square for Restaurants
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent SkyTab (Shift4) incidents
- Partial outageNov 1, 2026 · resolved in 1h 33m
Tip Adjustments Issue Due To Daylight Savings
Affected: Shift4 Dine POS - US, Shift4 Dine POS - Canada, Shift4 Dine Mobile, Shift4 Dine Online Ordering, Shift4 Dine Kiosk
- MaintenanceOct 31, 2026 · ongoing
Affected: Givex POS, Shift4 Gift Cards
- Major outageOct 28, 2026 · resolved in 3h 4m
Eigen Sim Cards Connection Issues for Canadian Merchants - Oct 28 2026.official update ↗
Affected: Telus Cellular Service
- Partial outageOct 25, 2026 · resolved in 3d 4h
Shift4 One & Duoofficial update ↗
Affected: Shift4 One
- Degraded performanceOct 22, 2026 · resolved in 7d 4h
Affected: Merchant Funding USA, Card Processing
- Degraded performanceOct 22, 2026 · resolved in 1h 29m
Timeouts for US processing 10/22/26
Affected: TSYS, Shift4 Dine POS - US, eCommerce, Shift4 One, Shift4 Venue Payments (US)
Recent Square for Restaurants incidents
- Degraded performanceOct 27, 2026 · resolved in 45m
Affected: Kitchen Display System (KDS), Point of Sale
- Degraded performanceSep 27, 2026 · resolved in 4h 25m
- Degraded performanceSep 24, 2026 · resolved in 12m
- Degraded performanceSep 21, 2026 · resolved in 2d 4h
- Degraded performanceSep 18, 2026 · resolved in 3h 54m
- Degraded performanceSep 18, 2026 · resolved in 15h 7m
Other restaurant POS systems to consider
- Shopify POS · #1 · 100% uptime
- SpotOn · #2 · 100% uptime
- Loyverse · #3 · 99.91% uptime
- Clover · #4 · 99.88% uptime