PDR, the well-known resource for drug prescribing information, now offers a free mobile app. The app allows you to search by generic name, brand name, or drug class, and it includes a drug interaction checker and a pill identifier. Drug information is refreshed daily, and any FDA label changes are updated within 4 days. To install the app on your Apple or Android device, visit http://www.pdr.net/resources/mobilePDR/. Click “App Store” or “Google Play” to install, and open the app on your device. Tap “Create an account,” followed by “Skip this step.” Enter the requested information, and submit your registration. You may install and use mobilePDR on multiple devices.