Mandoo is a free and ad-free Android app that allows users to create mandalas with ease. Developed by Achim Wehmann, this app is perfect for both children and adults who want to create their own works of art. The app offers a variety of features such as choosing brush colors, mirror options, and changing the number of facets to create unique mandala patterns.

One of the best things about Mandoo is that it allows users to save and share their artwork with just a couple of clicks. Additionally, the app offers a PDF export option for ultra-sharp printing results. Whether you're looking to have fun or just relax, Mandoo is definitely worth checking out.