Lopay vs SumUp : most-reported complaints compared
Most-reported issues at Lopay and SumUp , according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.
Lopay
TrustScore 4.7 · 3,043 reviews on Trustpilot.
481 reviews analysed, 2025-03-01 to 2026-09-24.
Complaint rate (recent window): 5%
95% of negative reviews get a company reply.
“Then they froze my account and started to ask for the most ridiculous further proofs”
SumUp
TrustScore 4.2 · 57,762 reviews on Trustpilot.
2,206 reviews analysed, 2025-09-16 to 2026-09-23.
Complaint rate (recent window): 16%
89% of negative reviews get a company reply.
“I’ve been ignored and blanked for nearly a month. I’ve even put in a complaint and that’s been completely ignored.”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Lopay | SumUp |
|---|---|---|
| Account/app problems | 46% | 25% |
| Support unhelpful | 27% | 32% |
| Support unreachable | 19% | 27% |
| Billing errors | 13% | 11% |
| Faulty product | 10% | 10% |
Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, Lopay or SumUp .