Retail POS · reliability comparison
Lightspeed Retail vs SumUp: which is more reliable? (2026)
SumUp is more reliable than Lightspeed Retail, scoring 54.2 vs 37.5 out of 100. Over the last 90 days Lightspeed Retail reported 14 incidents and SumUp reported 5, with effective uptime of 97.96% and 98.98% respectively. SumUp resolves incidents faster on average (19h 59m).
Data updated Nov 2, 2026 · How we score
| Metric | Lightspeed Retail | SumUp |
|---|---|---|
| Reliability score | 37.5 | 54.2 |
| Rank (retail POS systems) | #10 | #8 |
| Uptime (90 days) | 97.96% | 98.98% |
| Incidents (90 days) | 14 | 5 |
| Partial / major outages | 5 | 1 |
| Avg time to resolve | 20h 38m | 19h 59m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Lightspeed Retail and SumUp differ
- Lightspeed Retail reported 2.8× as many incidents as SumUp over the last 90 days (14 vs 5).
- Lightspeed Retail had 5 partial or major outages, compared with 1 for SumUp.
- SumUp fixes problems faster: 19h 59m on average, against 20h 38m for Lightspeed Retail.
- Lightspeed Retail's longest outage on record lasted 6h 31m (Aug 27, 2026); SumUp's lasted 3h 2m (Jun 27, 2026).
90-day uptime
Lightspeed Retail
SumUp
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Lightspeed Retail incidents
- InformationalOct 23, 2026 · resolved in 5h 3m
Lightspeed Retail (R/C-Series) Latency or outage
Affected: Retail POS, Retail API
- Degraded performanceOct 21, 2026 · resolved in 1d 21h
Statement on PHP vulnerabilities
Affected: Retail POS, Lightspeed eCom (Europe), Lightspeed eCom (North America & Australia), Back Office, Retail API, Retail POS
- Degraded performanceOct 17, 2026 · resolved in 5h 26m
Affected: Sales History
- Partial outageOct 16, 2026 · resolved in 30m
Store credit issue causing sale errors
Affected: Customer Management
- Degraded performanceOct 16, 2026 · resolved in 3d 15h
LS Pay Payment processing degraded for R-series, C-series and few L-series
Affected: Lightspeed Payments
- Partial outageOct 6, 2026 · resolved in 39m
Lightspeed Retail (S-Series) - BridgePay
Affected: Payments
Recent SumUp incidents
- Degraded performanceOct 29, 2026 · ongoing
Keyboard not showing during PIN entry
Affected: Business Account (EU)
- 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: Tap to Pay on Android, Solo Cloud API, Payouts, Payment Links, Card Readers: Solo, Logins +7 more
- MaintenanceAug 15, 2026 · ongoing
Transactions processing delay in UK
Affected: Business Account (EU)
Other retail POS systems to consider
- Shopify POS · #1 · 100% uptime
- Erply · #2 · 99.99% uptime
- Loyverse · #3 · 99.91% uptime
- Clover · #4 · 99.88% uptime