2025-08-27 00:00:00 CodeMaster4™ is a professional app designed for operating the MIRACLE™ key machine, offering professional locksmiths a range of features for efficient and user-friendly key cutting. The app enables professional locksmiths to cut and duplicate keys using an extensive collection of car, house, and special keys, while providing convenience features for seamless machine operation. This new version integrates the previous CodeMaster3 (Tablet/PC) and CodeMaster-M (Mobile) applications into a single, versatile app compatible with multiple platforms. It offers a consistent user interface with fast and reliable performance for various devices such as tablets, smartphones, PCs and laptops running Android, iOS or Windows. Key features include: