... you write and manage your code, design and build user inter-faces, analyze and debug your apps, and more. So what if it takes you less time?INSTRUMENTSTrace and profile your code with Instruments. ... application of Xcode Tools, Apple’s suite of developer tools. It is aimed squarely at developing, testing, and packaging Mac OS and iOS applications, utilities, and plug-ins written with the Cocoa ... integrated development environment (IDE) is the star of the suite. With Xcode, you create and manage projects, write and debug your code, design your UI, build your data models, write and run...