Developer or Designer? I have some nice Projects. Maybe you have apps in the App Store? Try NativeConnect. DerivedData Both Xcode and AppCode intensively cache temporary “information” on the file system. Each time you cleanup the project, make a new build, or launch the app in iOS Simulator, IDE will read and write megabytes of files into the special folder named DerivedData. You will be surprized
![How to reduce Xcode and AppCode build times](https://cdn-ak-scissors.b.st-hatena.com/image/square/7b7b2df7f27c41e8d553833a9869df56f4f2ba3c/height=288;version=1;width=512/https%3A%2F%2F3.bp.blogspot.com%2F-inUhDbJZEBc%2FUvtSpKe268I%2FAAAAAAAAAD8%2FrBWDGRoZuU8%2Fw1200-h630-p-k-no-nu%2FiRamDisk%402x.png)