Yapp presents a do-it-yourself advance into the world of mobile apps. The introductory service is free, and creating an app for a conference, a wedding, a sports team, or some other event or organization is surprisingly easy. First, select an app design from dozens of themes and then enter text, photos, and other personalizing content. Pressing Publish generates a link that can be shared with...

For readers who would like to design simple apps for their small businesses, classrooms, nonprofits, or other groups, AppsBar can be a helpful service. Readers will want to begin by creating a free account. From there, it can be useful to explore the various templates and code libraries from which one may create a customized app. Typically, it takes three to four hours for first-time users to...