Prefix is a native profiling application. It takes the same powerful but lightweight profiling that we offer on your production servers with Retrace and makes it available while you are writing and testing your code on your development workstation. Join Prefix Product Manager Maranda Williams for an overview of the new Prefix Premium. Write Better Code with Prefix Netreo’s real-time code profiler streamlines app development, optimizes code performance and helps thousands of developers release better code faster, every time.