Restaurant POS · reliability comparison
Qu POS vs SumUp: which is more reliable? (2026)
Qu POS and SumUp are effectively tied on reliability (52.4 vs 54.2). Over the last 90 days Qu POS reported 4 incidents and SumUp reported 5, with effective uptime of 98.68% and 98.98% respectively. Qu POS resolves incidents faster on average (18h 28m).
Data updated Nov 2, 2026 · How we score
| Metric | Qu POS | SumUp |
|---|---|---|
| Reliability score | 52.4 | 54.2 |
| Rank (restaurant POS systems) | #13 | #10 |
| Uptime (90 days) | 98.68% | 98.98% |
| Incidents (90 days) | 4 | 5 |
| Partial / major outages | 1 | 1 |
| Avg time to resolve | 18h 28m | 19h 59m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Qu POS and SumUp differ
- SumUp reported 25% more incidents than Qu POS over the last 90 days (5 vs 4).
- Qu POS fixes problems faster: 18h 28m on average, against 19h 59m for SumUp.
- Qu POS's longest outage on record lasted 2d 1h (Aug 8, 2026); SumUp's lasted 3h 2m (Jun 27, 2026).
90-day uptime
Qu POS
SumUp
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Qu POS incidents
- Degraded performanceNov 1, 2026 · resolved in 8h 6m
Affected: POS Functionality
- Degraded performanceSep 14, 2026 · resolved in 2h 15m
EOD report not generating correctly
Affected: POS Functionality
- Degraded performanceSep 1, 2026 · resolved in 13h 59m
Affected: Enterprise Intelligence Portal
- Partial outageAug 8, 2026 · resolved in 2d 1h
Connectwise Automate Tool is Unavailableofficial update ↗
Affected: Connectwise Automate
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: Card Readers: Top & Top NFC, Logins, Refunds, Card Readers, Online Payments, Payouts +7 more
- MaintenanceAug 15, 2026 · ongoing
Transactions processing delay in UK
Affected: Business Account (EU)
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