When building applications for clients, Cofa Media uses sophisticated software to draft some virtual blueprints. Based in San Diego, CA, this IT firm likes to create prototypes of apps that are likely to be successful on the world's most popular mobile marketplaces. Android apps are initially encoded with Java, which is a programming language that is compatible with multiple operating systems. Apps that are developed for the iOS platform have to be written with tags that are defined by the Swift language. Additionally, this company can create digital tools that are powered by Microsoft ASP.NET technology. Custom apps that are launched on iTunes and Google play have to be hosted on secure servers. Cofa Media prefers to use cloud networks to keep its apps safe on the web. Users should also get some peace of mind when they initiate downloads on websites that aren't linked to Apple's and Google's official online portals.