CustomsMobile, a first-of-its-kind free service, provides a wide array of US customs and trade data in one easy-to-navigate location. The service, available via website (https://www.customsmobile.com) or via Android/iOS app (https://www.customsmobile.com/apps.html), is designed to give on-the-go access to US government workers, the trade community, and the general public, with unprecedented speed and searchability in a user-friendly smartphone and tablet-oriented layout. CustomsMobile is available to users at no charge. It provides: access to over 190,000 (and counting) legal rulings issued by CBP; Notices (CSMS messages); AD/CVD messages; the Harmonized Tariff Schedule of the United States; a database of Code of Federal Regulations, Titles 1 through 50 (administrative laws); Titles 1 through 54 of the U.S. Code; and contact information for all US ports. CustomsMobile is powered by a commercial-grade search engine, and its website ensures visitor privacy by securing connections with bank-level SSL encryption. CustomsMobile outperforms all similar government sites not only in speed, but also with enhanced features.