Infinite Red is an American agency that offers web development, application design and online marketing. This boutique firm mostly works with small businesses and organizations that need the latest mobile-friendly solutions in order to appeal to new customers and followers. In today's smartphone age, it's important for businesses to launch custom apps that are compatible with iPhones and Android-powered devices. Building apps for Apple's smartphones requires a deep knowledge of the Swift programming language. Fortunately, this web design agency is fluent in multiple languages that define most web and mobile solutions worldwide. Objective-C is another open source tool that comes in handy for building apps that run on the iOS platform. The Cocoa Touch framework has to be properly integrated into any iPhone app. This is a platform that defines the dynamic interactions between users and iOS software. Every time a person taps or swipes the touch screen on an iPhone, the Cocoa Touch system has to respond promptly.