Restaurant POS · reliability comparison
SkyTab (Shift4) vs Zettle by PayPal: which is more reliable? (2026)
Zettle by PayPal is more reliable than SkyTab (Shift4), scoring 78.1 vs 35.1 out of 100. Over the last 90 days SkyTab (Shift4) reported 14 incidents and Zettle by PayPal reported 2, with effective uptime of 97.40% and 99.82% respectively. Zettle by PayPal resolves incidents faster on average (12h 51m).
Data updated Nov 2, 2026 · How we score
| Metric | SkyTab (Shift4) | Zettle by PayPal |
|---|---|---|
| Reliability score | 35.1 | 78.1 |
| Rank (restaurant POS systems) | #15 | #8 |
| Uptime (90 days) | 97.40% | 99.82% |
| Incidents (90 days) | 14 | 2 |
| Partial / major outages | 6 | 0 |
| Avg time to resolve | 14h 41m | 12h 51m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where SkyTab (Shift4) and Zettle by PayPal differ
- SkyTab (Shift4) reported 7× as many incidents as Zettle by PayPal over the last 90 days (14 vs 2).
- SkyTab (Shift4) had 6 partial or major outages, compared with 0 for Zettle by PayPal.
- Zettle by PayPal fixes problems faster: 12h 51m on average, against 14h 41m for SkyTab (Shift4).
- SkyTab (Shift4)'s longest outage on record lasted 3d (Oct 25, 2026); Zettle by PayPal's lasted 3d (Nov 14, 2025).
90-day uptime
SkyTab (Shift4)
Zettle by PayPal
- 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 Zettle by PayPal incidents
- Degraded performanceOct 30, 2026 · resolved in 2h 34m
Unable to contact Support team
Affected: UK, Sweden, Norway, Denmark, Finland, Netherlands +6 more
- Degraded performanceOct 7, 2026 · resolved in 23h 8m
DNS incident presenting errors
Affected: UK
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