01 — Verify
Real price, instantly.
Snap any listing. PROOF cross-references 4,200 retailers and surfaces the verified low — including stock, shipping, and tax.
Shopping intelligenceEvery purchase,
Every purchase,
backed by proof.
PROOF reads thousands of real reviews across the web, cross-checks them against 4,200 retailers, and gives you one honest verdict — Buy, Skip, or Mixed — in seconds.
- 4.2K
- retailers indexed
- 98%
- price-match rate
- 1.1M
- items verified
The method
A quieter way to shop, with evidence.
02 — Authenticate
Genuine, not gimmick.
Six-signal authentication on resale and luxury listings. We flag the dupes so you don't carry one home.
03 — Decide
Reviews, distilled.
Thousands of reviews summarized into a single, honest verdict. The good, the meh, and the deal-breakers.
Manifesto
“We believe taste deserves better tools. PROOF is a quiet companion for considered purchases — turning impulse into intention.”
— The PROOF editors
Buy less. Buy better. Buy with proof.
Join 240,000 shoppers using PROOF to verify before they buy.