Adding film grain can do a lot more than just make your videos look like film. It also helps with dithering smooth gradients improving the quality of your videos on video sharing websites like Vimeo. It also helps removing the sharp digital video look by adding a subtle and organic feel to your video projects.
In this video demonstration you will be able to see some of those benefits as well as a comparison between ISO noise and film grain by Rgrain.
Color graded examples at the end of the video.
For more information visit rgrain.com