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@@ -124,7 +124,8 @@ Creative coding is a different discipline than programming systems in which the
 - [Think. Create. Code](https://www.edx.org/course/think-create-code-adelaidex-code101x-2) - EDX course to learn programming with ProcessingJS.
 - [Creative Coding](https://www.futurelearn.com/courses/creative-coding) - FutureLearn course on programming with Processing.
 - [Creative Programming for Digital Media & Mobile Apps](https://www.coursera.org/learn/digitalmedia) - Coursera course on creative coding with processing.
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+- [Creative-coding on iOS with C4](http://www.creativeapplications.net/tutorials/creative-coding-on-ios-with-c4-tutorial/) - Introduction to C4 published on Creative Applications.
+- [COSMOS](http://www.c4ios.com/cosmos/) - An end-to-end tutorial on the design, programming and launch of an app using C4.
 
 ## Interactive tutorials
 - [Shader-school](https://github.com/stackgl/shader-school) - Workshop for GLSL shaders and graphics programming.