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Comparison

Which? vs Trustpilot

Which? and Trustpilot both land on Depends.

Which?

which.co.uk

Depends
Confidence: Low

Buy if you make several big UK purchases a year and want independent test results; skip if you're a one-off buyer, outside the UK, or want free opinions.

Read the full report

Which? versus Trustpilot
CompareWhich?Trustpilot
VerdictDependsDepends
Best forUK shoppers making big-ticket purchasesMid-size ecommerce brands
Who it's not forOne-off buyers . a month's fee for a single lookup barely paysSmall or local businesses . Google Reviews is free
PrivacyNo known public vulnerabilities found in the sources reviewed.⁶One medium-severity plugin CVE (CVE-2025-57997, CVSS 4.3) and one reported data-exposure incident; no core-platform breach found in sources.12
Support qualityNo support evidence foundSales pressure and complaint-site reports
Public sentimentUK users on Reddit actively debate whether the subscription is worth it, with no clear verdict in the sources reviewed.³Mixed-to-negative: users value the consumer reach but repeatedly report review removal, fake reviews, and hard-sell renewals.10
Biggest gotchaRecurring £5/month subscription . cancel once your purchase research ends²Renewals increase annually and are enforced aggressively . Vendr and Capterra reviewers both flag this

Pick Which? when

  • UK shoppers making big-ticket purchases
  • Appliance, electronics and insurance buyers
  • Frequent buyers who amortise the fee

When Which? is not a fit

  • One-off buyers . a month's fee for a single lookup barely pays
  • Anyone outside the UK . tests, prices and retailers are UK-market
  • Businesses needing software or B2B reviews . use G2 instead
  • People expecting free access . core verdicts are paywalled

Pick Trustpilot when

  • Mid-size ecommerce brands
  • Shopify stores wanting trust widgets
  • Teams with $300+/mo marketing budget
  • Businesses rebuilding reputation after fake reviews

When Trustpilot is not a fit

  • Small or local businesses . Google Reviews is free
  • B2B software sellers . G2 fits buyers better
  • Low-volume sellers for whom $299/mo minimum never pays off
  • Anyone averse to hard-sell renewals and upsell calls

Sources

  1. Which? | Expert testing, reviews and advicewhich.co.uk
    official
  2. Which? . From £5 a month (video ad)facebook.com
    official
  3. Is a 'Which?' subscription worth it? . r/AskUKreddit.com
    review
  4. Trustpilot reviews of www.which.co.uktrustpilot.com
    review
  5. Which? super-complaint on misleading pricing practiceswhich.co.uk
    news
  6. which.co.uk/security (no security page found)which.co.uk
    security
  7. Trustpilot Reviews of trustpilot.com (113,649 reviews)trustpilot.com
    review
  8. Capterra . Trustpilot Reviews 2026capterra.com
    review
  9. G2 . Trustpilot Reviewsg2.com
    review
  10. Reddit r/ecommerce . protection racket threadreddit.com
    review
  11. The Guardian . scam firms exploiting Trustpilottheguardian.com
    news
  12. CVE-2025-57997 . Missing Authorization in Trustpilot plugincvedetails.com
    security
  13. Boozt Tech . Trustpilot data exposure incidentmedium.com
    security
  14. Trustpilot Business pricingbusiness.trustpilot.com
    official
  15. Costbench . Trustpilot pricing analysiscostbench.com
    review
  16. Trustpilot $55M Series E press releasepress.trustpilot.com
    official