Is Nucleus legit?

A factual composite from public reviews, official regulator records, app stores and the company’s own policies. We report evidence, not verdicts of fraud or endorsement.

Based on 135 public Trustpilot reviews published 2026-05-20 to 2026-09-25 — see the Trustpilot page. Not affiliated with Trustpilot or Nucleus.

Nucleus is an established company with 1,827 Trustpilot reviews and a 3.8 TrustScore. In our census of recent reviews, 55% were classified as complaints, most often support unhelpful, support unreachable, account/app problems. Elsewhere it scores 2.9★ on Google. Of 59 company replies to negative reviews analysed, 54% engaged with the specific problem.

What goes wrong most, according to reviewers

Support unhelpful — 44 reports (60% of complaints)
Support unreachable — 27 reports (36% of complaints)
Account/app problems — 15 reports (20% of complaints), rising

Full evidence, quotes and trends: the Nucleus complaint report.