Restaurant POS · reliability comparison
SumUp vs Zettle by PayPal: which is more reliable? (2026)
Zettle by PayPal is more reliable than SumUp, scoring 78.1 vs 54.2 out of 100. Over the last 90 days SumUp reported 5 incidents and Zettle by PayPal reported 2, with effective uptime of 98.98% and 99.82% respectively. Zettle by PayPal resolves incidents faster on average (12h 51m).
Data updated Nov 1, 2026 · How we score
| Metric | SumUp | Zettle by PayPal |
|---|---|---|
| Reliability score | 54.2 | 78.1 |
| Rank (restaurant POS systems) | #10 | #8 |
| Uptime (90 days) | 98.98% | 99.82% |
| Incidents (90 days) | 5 | 2 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | 19h 59m | 12h 51m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where SumUp and Zettle by PayPal differ
- SumUp reported 2.5× as many incidents as Zettle by PayPal over the last 90 days (5 vs 2).
- SumUp had 1 partial or major outage, compared with 0 for Zettle by PayPal.
- Zettle by PayPal fixes problems faster: 12h 51m on average, against 19h 59m for SumUp.
- SumUp's longest outage on record lasted 3h 2m (Jun 27, 2026); Zettle by PayPal's lasted 3d (Nov 14, 2025).
90-day uptime
SumUp
Zettle by PayPal
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent SumUp incidents
- Degraded performanceOct 29, 2026 · ongoing
- MaintenanceOct 9, 2026 · ongoing
SEPA instant payments will be delayed due to a scheduled maintenance
Affected: Business Account (EU)
- Degraded performanceSep 5, 2026 · resolved in 7h 6m
Multi-Device-Sync and Kitchen Display System (KDS) are not receiving orders
Affected: Kitchen Display System (KDS), Ordering & Floor Plan
- Degraded performanceSep 3, 2026 · resolved in 6d 2h
Touchscreen not responding on POS devices
Affected: SumUp POS, POS Pro
- Degraded performanceAug 17, 2026 · resolved in 10m
Issue with Logins and Payments Acceptance
Affected: Logins, Card Readers: Total, On & Super, Refunds, Tap to Pay on iPhone, Card Readers, Payouts +7 more
- MaintenanceAug 15, 2026 · ongoing
Transactions processing delay in UK
Affected: Business Account (EU)
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