Created by AO and released in November 2010, the AO Surgery Reference app has set the bar for orthopaedic reference apps. The data mirrors information which has been previously existed at www.aosurgery.org but is formatted specifically for the smartphone. The app has an intuitive interface that walks the user through the diagnosis, decision process, preparation, surgical approach, reduction, fixation, and aftercare of fractures. Additional information can be found by selecting the “info” icon next to an option, and reference articles are provided on every page. Some of the most valuable aspects, in addition to the text, are the abundance of images demonstrating fracture patterns, patient positioning, and anatomy/surgical approaches. Ideally, this app can serve as a quick reference while treating a patient or prior to a surgery when no other references are available for review. The greatest limitation to this app is that all data is pulled from the internet in real-time, and thus a data connection (3G or WiFi) is required for the app to function. In addition, some fractures are still not available, but the app suggests that future updates will be included.