Restaurant POS · reliability comparison
Shopify POS vs SkyTab (Shift4): which is more reliable? (2026)
Shopify POS is more reliable than SkyTab (Shift4), scoring 99.6 vs 35.1 out of 100. Over the last 90 days Shopify POS reported 1 incident and SkyTab (Shift4) reported 14, with effective uptime of 100% and 97.40% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Shopify POS | SkyTab (Shift4) |
|---|---|---|
| Reliability score | 99.6 | 35.1 |
| Rank (restaurant POS systems) | #1 | #15 |
| Uptime (90 days) | 100% | 97.40% |
| Incidents (90 days) | 1 | 14 |
| Partial / major outages | 0 | 6 |
| Avg time to resolve | — | 14h 41m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Shopify POS and SkyTab (Shift4) differ
- SkyTab (Shift4) reported 14× as many incidents as Shopify POS over the last 90 days (14 vs 1).
- SkyTab (Shift4) had 6 partial or major outages, compared with 0 for Shopify POS.
- Shopify POS's longest incident on record lasted 42m (Oct 29, 2026); SkyTab (Shift4)'s lasted 3d (Oct 25, 2026).
90-day uptime
Shopify POS
SkyTab (Shift4)
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Shopify POS incidents
- InformationalOct 29, 2026 · resolved in 42m
Some merchants encountering error messages within their admins
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)