Bumper vs wamo: most-reported complaints compared
Most-reported issues at Bumper and wamo, 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.
Bumper
TrustScore 4.8 · 52,886 reviews on Trustpilot.
1,701 reviews analysed, 2018-07-17 to 2026-09-23.
Complaint rate (recent window): 3%
100% of negative reviews get a company reply.
“waste of time - wouldn't allow me to pay with a card I select.”
wamo
TrustScore 4.8 · 1,428 reviews on Trustpilot.
308 reviews analysed, 2022-06-24 to 2026-09-19.
Complaint rate (recent window): 6%
98% of negative reviews get a company reply.
“frozen funds and lack of communication”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Bumper | wamo |
|---|---|---|
| Billing errors | 19% | 12% |
| Account/app problems | 17% | 55% |
| Other | 16% | 19% |
| Support unhelpful | 15% | 14% |
| Support unreachable | 9% | 24% |
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, Bumper or wamo.