SizeProof

SizeProof is a mobile + web AI app that predicts how a specific garment will fit you before you buy it, using a simple “known-fit baseline.” Users enter one or two items they already own (brand, model, size) that fit well, plus a few quick body inputs (height, weight, optional waist/inseam). SizeProof then maps that baseline to other brands and product pages via a fit-translation model and returns a size recommendation with a confidence score and a “why” breakdown (runs tight in shoulders, long sleeves, etc.). It also flags high-risk purchases (low confidence, inconsistent reviews, known sizing volatility) and suggests safer alternatives. The app focuses on reducing returns and buyer frustration rather than perfect 3D body scanning, which is often unreliable and hard to adopt. Monetization: affiliate revenue + retailer return-reduction partnerships.