After redesigning their website to incorporate responsive design, the Camden County Library System decided to take it one step further and develop mobile apps for iOS and Android. They describe the process of determining the features of the apps, development, testing, and making the apps available to customers. Get the steps to do this in your system and grow your own apps for both platforms. Betz discusses how her library embarked on a dramatic re-visioning of their online space. Instead of sending students out into the scary (and not so user-friendly) world of disparate vendor user interfaces, they began using commercial and home-grown APIs to keep students wthe library in a fully integrated and customized web environment. They developed a fully-featured iOS app that integrates APIs and web services from Ebsco Discovery Service, Sirsi Symphony, and the Atlas Ares eReserves software. She talks about the big benefits of keeping Library users "in-house."