Catalist is a professional application for registered users that enables the accurate valuation of car catalytic converters. With Catalist, you will quickly and accurately know the value of your catalytic converter using current market data. In order to use the valuation function, the purchase of an in-app subscription is required. We offer convenient subscription plans tailored to the needs of both individuals and large companies. Terms of use: https://www.catalistapp.com/terms-and-conditions