Colorrr is a free coloring book app available exclusively for iPhone users. Developed by Dmitrii Fadeev, this app offers a wide range of features to help you relax and relieve boredom.

With over 600 unique pictures to paint, Colorrr provides a diverse selection of mandalas, animals, patterns, nature, pixel-art, modern art, and more. The app constantly updates its collection, ensuring that you always have new images to color.

Coloring in Colorrr is easy and intuitive. Simply choose your desired color and tap to fill the image region. The app also offers a variety of brushes, textures, and gradients to enhance your paintings.

One unique feature of Colorrr is its timelapse function. The app automatically generates timelapse videos of your artwork, allowing you to see the entire coloring process in a condensed format.

Colorrr also encourages community engagement. You can share your drawings with users from around the world and showcase your creativity. Additionally, you can easily share your works with friends on your favorite social networks.

Optimized for the latest iPhones and iPads, Colorrr provides a seamless coloring experience. You can even use the app offline, making it convenient for coloring on the go.

Overall, Colorrr is a fantastic free coloring book app for iPhone users. With its extensive collection of images, user-friendly interface, and community features, it's the perfect companion for relaxation and creativity.