ComplaintCensus

Nucleus vs Refundee: most-reported complaints compared

Most-reported issues at Nucleus and Refundee, 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.

Nucleus

TrustScore 3.8 · 1,827 reviews on Trustpilot.

135 reviews analysed, 2026-05-20 to 2026-09-25.

Complaint rate (recent window): 55%

80% of negative reviews get a company reply.

Support unhelpful60%
Support unreachable36%
Account/app problems20%
Billing errors12%
Other12%
“It has taken over two weeks at a time to correct very simple issues like cancelling a pending direct debit or correcting an incorrect NI number.”
1★ Trustpilot review, 2026-07-01

Refundee

TrustScore 4.7 · 794 reviews on Trustpilot.

187 reviews analysed, 2025-08-15 to 2026-09-23.

Complaint rate (recent window): 6%

36% of negative reviews get a company reply.

Support unreachable36%
Other27%
Support unhelpful18%
Misleading pricing18%
“Misleading advertising and very poor communication.”
1★ Trustpilot review, 2025-12-23

Reported on both

Issues with an evidenced category (at least two verbatim quotes) on both sides.

IssueNucleusRefundee
Support unhelpful60%18%
Support unreachable36%36%
Other12%27%

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, Nucleus or Refundee.