Dev-C++ for Mac has not been released by Orwell so far, so you can't use it if you switch to Mac. However, there are many C/C++ compilers that can easily replace all functions of Dev-C++ for Mac. With the help of this list of alternatives, you can find similar software to develop applications with C/C++ programming language. All these programs are secure, easy-to-use and user-friendly. Check them out and pick your alternative solution.