About TheiaScan
TheiaScan is a vehicle deal analysis platform built to bring radical transparency to car buying. Whether you're purchasing a new sedan or leasing a used SUV, the app scans your purchase agreement—via photo upload or manual entry—and instantly scores the deal against real market benchmarks. It breaks down every number that matters: selling price, APR or money factor, fees, add-ons, residual values, and monthly payments—so you know exactly what you're paying for and where the dealer's margins hide. Beyond the score, TheiaScan delivers a plain-English coaching review that flags hidden markups, identifies negotiable items, and gives you a concrete script to take back to the salesperson.
The platform is designed for everyday consumers who feel outmatched at the dealership. First-time buyers, budget-conscious families, and anyone who has ever second-guessed a finance manager's "great deal" can use TheiaScan to level the playing field. It also serves serious negotiators and automotive enthusiasts who want data-backed leverage during the most expensive purchase most people make after a home. No jargon, no sales pressure—just clear, objective analysis that puts the consumer in control of the negotiation.
TheiaScan is built and maintained by a single independent developer who believes car buying should be fair. The scoring model—the Theia benchmark model—is continuously refined using de-identified deal data, and market rates are sourced from verified public records. TheiaScan takes no advertising or commission from dealerships or lenders, so its only incentive is helping you get the best possible terms on your next vehicle.
Transparent
Every fee, rate, and markup exposed in plain language.
Data-Driven
Scores calibrated from real, de-identified deal data.
Independent
No dealer or lender commissions. Ever.