DrawinGrid is an iPhone application developed by BUTTERFLYRAY LIMITED. It is a tool to help you practice the Grid Method for drawing or enlarging images. The Grid Method is a well-known technique to copy the correct proportions for drawing and painting. This app allows you to add filters to help with pencil sketches and monochrome paintings.

The app is user-friendly and easy to navigate, making it accessible for beginners to use. It provides an excellent way to improve your observational skills by practicing the Grid Method. If you are interested in drawing realistic portraits, this app is a great tool to have. The filters provided are helpful for those who want to create pencil sketches or monochrome paintings. Overall, DrawinGrid is a useful tool for anyone who wants to improve their drawing skills and is looking for a way to practice the Grid Method.