All Services Engineering & Architecture Mac OS X App Development $150/hr · Starting at $1K Do you have a great idea for a new Mac OS X app? I can help you with every stage of development from prototyping the interface to implementation to shipping the final product. About $150/hr · Ongoing Download Resume Do you have a great idea for a new Mac OS X app? I can help you with every stage of development from prototyping the interface to implementation to shipping the final product. Skills & Expertise App DevelopmentMac Os X Related Work Collections Gravity Lab PopBio Sprite Sheet Helper 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Computer ProgrammersResearchersAlgorithm DevelopersMac OS DevelopersNetworking ProfessionalsWireless Networking ServicesSoftware DevelopersWeb Application DevelopersGame DevelopersPrototyping Services